Unlike the rain in many other countries, especially in the tropics, average hourly rainfall amounts in Ireland are quite low, ranging from 1 to 2mm. Rainfall amounts are collected by a standard gauge consisting of a funnel and a container. Averages are for Belfast / Aldergrove Airport, which is 16 miles from Northern Ireland. The summer months can get up to 18 °C warm, but precipitation is a regular companion. Jillian Dara is a freelance travel writer and fact checker. Average Annual Precipitation for Ireland The tables below give yearly averages for rainfall plus snowfall at major cities and other places around Ireland. Temperatures are fairly consistent throughout the year, ranging from an average high of 62 degrees Fahrenheit (17 degrees Celsius) in August, to a low of 38 degrees Fahrenheit (3 degrees Celsius) in January. * Greatest monthly total 790.0mm Cummeragh Mtns October 1996 There are normally 17 days in December with some rain. 168.0. Annual Weather Averages Near Northern Ireland. In many mountainous districts rainfall exceeds 2000mm per year. Most of the eastern half of the country has between 750 and 1000 millimetres (mm) of rainfall in the year. Classifications. In many mountainous districts rainfall exceeds 2000mm per year. In Ireland, it is usual to have about 2.6 degrees more at 6.0 °C for this three-month period. Late fall is the among the wettest times of the year, especially in Valentia, which receives an average of 3.3 inches of rain in October. Most of the eastern part of Ireland has between 750 and 1000 mm of rainfall during the year. 1484.1. When is the sea warmest in Donegal? Rain days in Northern Ireland per month 2015-2021; The most important statistics. 148.1. What is the average rainfall in Ireland? July is the city's warmest month, averaging 68 degrees Fahrenheit (20 degrees Celsius), but there are minimal temperature fluctuations throughout the year due to the influence of the ocean. Spring is actually often drier than the winter months and can be a great time to save money on tours and accommodations. This region of Ireland is wetter than many other parts of the country and experiences an extended rainy season that spans October through January. Waterproof and insulated shoes are strongly recommended as well. Rainfall in the west generally averages between 1000 and 1250 mm. Even though the breeze will cool you, the sun still burns your skin. * Driest year 1887-only 356.6mm of rain recorded at Glasnevin Dublin There’s often more sun than rain this month – the average precipitation of 60mm falls over 21 days, which is 20mm less than the August average. Even in the driest month there is a lot of rain. What to pack: Given the unpredictable weather, it pays to be prepared. If you are asking what is the rainiest month in Ireland, the wettest months are December and January. The months of August, October and December have a high chance of precipitation. April is the driest month generally but in many southern parts, June is the driest. With an average of 91 mm | 3.6 inch, the most precipitation falls in November. This is the busiest time of year for visitors, coinciding with the schools finishing for the summer. The general impression is that it rains quite a lot of the time in Ireland but in fact two out of three hourly observations will not report any measurable rainfall. Skies are generally overcast and rain is frequent, with occasional spells of higher temperatures that almost can reach 60 degrees Fahrenheit (16 degrees Celsius). Most of Ireland recorded higher volumes of rainfall than is normal for the month of June, Met Éireann have revealed. Most of the eastern half of the country has between 750 and 1,000 mm (29.5 and 39.4 in) of rainfall in the year. The following maps show the average monthly rainfall accumulation (1981 to 2010). Her work has appeared in Travel + Leisure, USA Today 10Best, Michelin Guide, Hemispheres, DuJour, and Jetsetter. Take sensible footwear for the rugged terrain and plenty of cozy socks to keep your feet warm and dry. The wettest months, in almost all areas are December and January. August is the month with the most rainfall in Donegal, Ireland. Rainfall is the most common form of precipitation on the island, and is extremely common throughout Ireland, although some parts of the west coast equally as much rain as the east coast. On the other hand, rare freezing spells tend to bring the country to a grinding halt and even a sprinkling of snow will have most drivers panicking. Temperature in Ireland. Rainfall in the west generally averages between 1000 and 1250 mm. At this point, it should be enough to say that March through to June, and the September and October, ranks pretty high, though even a January trip to Ireland can be nice, albeit with short and often bitterly cold days. That is if you are prepared for everything it can throw at you, often on the same day. In fact, one joke quips that the usual way to tell the difference between winter and summer in Ireland is to measure the temperature of the rain. Most of the eastern half of the country gets between 750 and 1000 (mm) of rainfall in the year. Most consecutive days with measurable rain a day with at least 0.01 inches (0.25 mm) of rainfall: 331 days in Oahu, Hawaii Snow [ edit ] Most in a 24-hour period : 230 centimetres (90.6 in) of snow on Mount Ibuki , Japan on 14 February 1927. April is the driest month generally across the country. You may expect some of Ireland's warmest summer temperatures in the coastal areas of the Ring of Kerry. Which month has the most rain in Ireland? November through January are the wettest months, receiving an average 20 days of rainfall. The wettest months, almost everywhere are December and January. The wettest month in Ireland is April with 31.3cm of rain and January has the most days of rain with 25.1 days with some rain, a very wet time to visit the beach. Short-term rates can of course be much higher: for example, an hourly total of 10mm is not uncommon and totals of 15 to 20mm in an hour may be expected to occur once in 5 years. In terms of rainfall, December is usually the wettest month in Dublin, Ireland with 75mm on average. Discovering Ireland Vacations,St. Please enable it now and reload the page. The best time to visit Ireland is the summer, from June to August, since it is the mildest of the year: the rains are frequent, the air is often very cool (especially in June), it's better to bring a jacket and umbrella (or rather a raincoat as it often rains in the wind), but the days are long, and you can hope to see the sun peeking through the clouds. Each location has a total for how many days of wet weather it usually gets a year and for the normal amount of precipitation. This information was collected between 1981 and 2010. 151.6. Between 2014 and 2020, the most amount of rainfall in Scotland was experienced in December 2015 at 323 millimeters. Located in County Donegal, this is the most northernmost point of Ireland and has some wild weather if the winds are high. Summers here are reasonably dry, with temperatures averaging 64 degrees Fahrenheit (17 degrees Celsius) in August. Coronavirus - Ireland Tours - Book with Peace of Mind find out more. © 2021 Discovering Ireland Vacations | Website by Granite Digtial. The wettest months, almost everywhere are December and January. When can you find snow in Ireland? Summer is the most popular time of the year to visit Ireland. The wettest months, almost everywhere are December and January. Rainfall in Ireland normally comes from Atlantic frontal systems which travel northeast over the island, bringing cloud and rain. A few gauges in remote mountain locations are only visited once a month. Spring and autumn are very mild, with rainfall expected all year round. Temperatures will rarely go below 32 degrees Fahrenheit (zero degrees Celsius) and only occasionally above 68 degrees Fahrenheit (20 degrees Celsius), with June, July, and August being the warmest months, and January and February the coldest. This page includes a chart with historical data for Ireland Average Precipitation. Rainfall in Ireland. Ireland Weather in September: Temperatures dip a bit in September, with the average high now 17°C, but it’s typically one of the best months to visit the Emerald Isle. Weather stations report very large amounts of snow likely to be deepest around April, especially close to early April. Most of the eastern half of the country has between 750 and 1000 millimetres (mm) of rainfall in the year. While it is true that there are no real major temperature differences between the seasons, and that rain is likely every second day, the Irish weather is manageable. Of course, true to its nickname, the Emerald Isle is a bright, lush green during the spring months and the sight of lambs frolicking in the field is not uncommon. January is the wettest month, with rainfall on 19 days, and also one of the darkest months, with just 72 minutes of sunshine per day on average. With an average sea temperature of 14.8°C (58.6°F), August is the month with the warmest seawater in Donegal. Belmullet Summers here are reasonably dry, with temperatures averaging 64 degrees Fahrenheit (17 degrees Celsius) in August. Average Precipitation: 80mm.) In Ireland, spring technically starts in February, though you are unlikely to notice the days getting much warmer or longer until March. In many mountainous districts rainfall exceeds 2000mm per year. The warmest month is July with an average maximum temperature of 19°C (67°F). 2019. Ireland is a region with a significant rainfall. The average number of wet days (days with more than 1mm of rain) ranges from about 150 days a year along the east and south-east coasts, to about 225 days a year in parts of the west. The forecaster revealed that the Athenry is Galway is the place which experienced the most rain in 2019. The month with the most rainfall in Dublin is October when the rain falls for 12 days and typically aggregates up to 76mm (2.99") of precipitation. Temperatures in Ireland are cool from March through May and the weather is unpredictable. Precipitation in Ireland increased to 272.63 mm in December from 191.75 mm in November of 2015. Pack light, breathable clothes for layering alongside waterproof outerwear. Winter temperatures are mild as well, with an average low of 39 degrees Fahrenheit (4 degrees Celsius). * Greatest hourly total 97mm Orra Beg, Antrim, August 1980 Mary's Road, Newcastle West,County Limerick, Ireland. For example, up to 5.43 in of rain can fall in Cork in January, and no more than 2.76 in of precipitation can be expected in Dublin. Hail and snow contribute relatively little to the precipitation measured. Precipitation in Ireland averaged 93.80 mm from 1901 until 2015, reaching an all time high of 272.63 mm in December of 2015 and a record low of 5.71 mm in February of 1986. You can jump to a separate table for each region of the country: Ulster, Munster, Leinster and Connacht. It shows the average rainfall in Ireland, month by month. Autumn in Ireland is cloudy and wet, with minimal sunshine. 174.3. 84.1. The Irish weather has had some bad press. Visiting Ireland in July - August. Hourly totals exceeding 25mm are rare in this country and when they do occur they are usually associated with heavy thunderstorms. Typical winter weather is clouds and rain with the occasional sunny spell. Rain falls for 25.2 days and accumulates 87mm (3.43") of precipitation. Because of the Gulf Stream, the temperature rarely ever gets below freezing and as a result, Ireland … The best times to travel to Ireland vary based on opinion. In many mountainous districts rainfall exceeds 2000mm per year. Long-term development of temperatures from 1949 - 2019 In contrast to single record values, a long-term development cannot simply be brought about by all weather stations in the country. Ireland among most ambitious on climate action, Tánaiste insists January is the wettest month, with rainfall on 19 days, and also one of the darkest months, with just 72 minutes of sunshine per day on average. What is the month with the shortest days in Dublin? Winds can be quite strong during this season as well, especially during the later months. You will also be among the first to know about our great special offers, vacation in Ireland deals and trip to Ireland cost! Dublin is cool and damp throughout the year but is not the rainiest part of Ireland. Most of the eastern half of the country has between 750 and 1000 millimetres (mm) of rainfall in the year. Even on clear, cold nights, there will only be a light frost. Weather in Southern China: Climate, Seasons, and Average Monthly Temperature, Plan a Beach Vacation to Destin, Florida, Year-Round, What to Expect From the Weather in Fernandina Beach, Florida, What the Weather Will Be Like When You Visit Daytona Beach, Why Spring Is the Best Time to Visit Sydney, Australia, Weather in Oman: Climate, Seasons, and Average Monthly Temperature. Temperatures during winter rarely drop below freezing. Rainfall in the west generally averages between 1000 and 1400 mm. What to pack: Pack appropriate rain gear and plenty of warm clothes for layering. Annual number of air frost days in the UK 1990-2020; Monthly number of days with air frost in the UK 2015-2020; The coldest month is February with an average maximum temperature of 8°C (46°F). Munster province covers the southern part of Ireland. In Ireland, the weather is good across more than 28% of the territory for: June, August and September; The best months to go to Dublin are June, August and September; On average, the warmest months in Dublin are July, August and September, and the coldest months are January and February The most recent decade recorded 1,990mm of rain a year, compared with an average of 1,080mm over the 305 years. This month should be avoided if you are not a big fan of rain. While Ireland isn't exactly known for our hot, dry summers, June 2020 broke the records of previous years, with Newport in County Mayo recording its wettest June day ever on the 28th, with 53.6mm of rainfall in a 24-hour period. Rainfall in the west of … You should prepare for moderate weather at all times, and be able to supplement basic dress with a warm sweater or rainproof top, even in summer. April can be one of the mildest and most pleasant months of the year and traditionally has some of the fewest rainy days (an average … The month's total amounts of rainfall given here are averages of weather data collected during 1981 to 2010. Bernd is a travel writer from Germany who has lived in Ireland since the late 1990s and written several German-language tourism guides to the country. As mentioned before, it rarely gets that cold here in Ireland. An umbrella is obviously a must, but you might find it more convenient to carry along a jacket with a hood. December is the most wet month. In many mountainous districts rainfall exceeds 2000mm per year. The country's lush landscapes are at their best, and despite what most lore would have you believe, the country experiences plenty of sunny days that are perfect for spending outside. * Greatest daily total 243.5mm Cloore Lake Co. Kerry 18 September 1993. Visiting the southwest of Ireland, counties Cork and Kerry? When is it sunniest in Ireland? While you might wake up to a bright, sunny day, clouds and rain showers often roll through by the afternoon. With an average of 7.6h of daylight, December has the shortest days of the year in Dublin, Ireland. Most of the eastern half of the country gets between 750 and 1000 (mm) of rainfall in the year. Rainfall in Ireland. The 15 Meteorological Service stations measure these amounts every hour but most of the 750 or so rainfall stations around the country read their gauges once a day. Rainfall in the west generally averages between 1,000 and 1,250 mm (39.4 and 49.2 in). The main difference in the southern region of Ireland is its average rainfall. Bring warm clothes, including heavily knit sweaters, a heavy jacket, and winter accessories. * Longest absolute drought Limerick 3rd April to 10th May 1938 Rainfall in the west generally averages between 1000 and 1250 mm. This location is classified as Cfb by Köppen and Geiger. Belmullet, in County Mayo, is a good example of weather along the Wild Atlantic Way. Ulster province includes the counties that border Northern Ireland. In winter average temperatures are around 0 degrees Celsius (32 degrees Fahrenheit). Rainfall in the west generally averages between 1000 and 1400 mm. Despite the warmer days, the sea temperatures rarely rise above 68 degrees Fahrenheit (18 degrees Celsius), so don't expect to go swimming. sprinkling of snow will have most drivers panicking. Dublin Climate graph // Weather by Month. Climate data and weather averages in Northern Ireland. By contrast, it’s most likely to rain or snow in mid January with an average of 3 days of significant precipitation the week of January 15th. Sign up now for the official Discovering Ireland Vacations Update e-newsletter, designed to keep you up-to-date on what's new and exciting at Discovering Ireland and indeed in Ireland travel itself! What to pack: The secret of coping with the Irish weather lies in taking the correct clothing with you. 90.3. Winter in Ireland is chilly but rarely freezing. Some years Ireland is struck by a heatwave during summer. * Greatest annual total 3964.9mm Ballaghbeena Gap 1960 At most snow is found in the eastern mountains of Ireland. 109.8. The driest month is February, with 62 mm | 2.4 inch of rain. Be careful on sunny days, especially on the beaches. JavaScript is required in order fully to use this site. 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