Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and Climate
Dublin, Ireland

A sunset view of the illuminated Ha Penny Bridge reflected in the water below, found in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, found in Dublin, Ireland
Dublin, the capital of Ireland, has an oceanic temperate climate (Köppen climate classification Cfb) with cool summers, and mild winters - similar to much of northwestern Europe. The city lies at the mouth of the River Liffey, while the low altitude Wicklow Mountain range forms the southern boundary. The Atlantic Ocean, the Gulf Stream, and the North Atlantic Drift significantly influence Dublin's climate, while its location on the east coast makes it the driest place in Ireland.

Temperature extremes are rare, but the humidity is high throughout the year. Average high temperatures rarely cross 68°F (20°C) during peak summer in July while average lows are above freezing at 36°F (2.2°C) in peak winter in January. Occasional exposure to Arctic winds during the usually mild winter causes severe cold and snow showers. Annual rainfall is distributed evenly throughout the year and amounts to 30" (762mm). Snowfall is occasional, but frost is more common during the winter.

The best time to visit Dublin is from May to September. The late spring and summer feature sunny days and longer evenings. Daylight extends from fourteen to seventeen hours, and the summer is buzzing with festivals all around.
Average daily temperatures range between 60°F (15.6°C) and 67°F (19.4°C); spring brings about the natural blooming of flowers while the land covers itself in green during the summer. Weather is pleasant for outdoor activities with numerous parks around, and tourists are never short of fun activities.
A jacket or sweater, even during summer is a welcome aid to keep the highly unpredictable Irish weather at bay.

Winter is the worst period to visit Dublin. Average low temperatures drop to near freezing at about 36°F (2.2°C) while the daily high temperatures seldom rise above 46°F (7.8°C). Additionally, cold fronts due to the easterly winds make the weather chilly.
Rain is light, but the regular fog during winter restricts early morning escapades to hotel lobbies and nearby sites. The sunshine drops to an average of 2 to 3 hours a day as the days are short. Winter experiences a drop in visitors as the average sea temperatures cool down to a low of 45°F (7.2°C).

The average low temperature is around 36°F (2.2°C) while the average high is only about ten degrees higher at 46°F (7.8°C). Weather is not glacially cold, but winter is hardly a time to wander outdoors. Weather in January »

February is officially the driest month of the year. Dublin, due of its location on the east coast and vulnerability to unpredictable eastern winds is colder in the winter than its west coast counterparts are. Weather in February »

Spring arrives in Dublin by March and signals the end of the winter with a steady rise in daily temperatures. Average high temperatures rise to above 50°F (10°C), and the average lows are around 40°F (4.4°C). Weather in March »

April is the heart of the spring season with greenery spread all over the land with its many public parks. With daily temperatures in the mid 50°F (10°C), the weather is mild enough to roam throughout Dublin. Weather in April »

May is the sunniest month of the year with daily sunshine at close to 6.5 hours. The days are around a pleasant 60°F (15.6°C) as the tourist season kicks in mid-May. Night temperatures are around a mild 50°F (10°C). Weather in May »

June is summer in Dublin with the longest days stretching to 17 hours of daylight. Daily average temperatures nearby a comfortable 65°F (18.3°C) make it a perfect time for outdoor activities. Weather in June »

July is the hottest month of the year as the average temperature peaks to 67.6°F (19.8°C). Swimming and other water activities are enjoyable in mid-summer with the Irish Sea at the warmest of the year. Weather in July »

August is another wonderful summer month with mild average day temperatures around 67°F (19.4°C). Light rain is frequent but does not last long enough to disrupt the otherwise beautiful weather. Weather in August »

September is the arrival of autumn with temperatures in a mildly cold range of 49°F (9.4°C) to 62°F (16.7°C). It is another great month for swimming with bearable water temperatures. Weather in September »

October is the wettest month with about 3" (76.2mm) of rain, and average temperatures are in the range of a cold 45°F (7.2°C) to 57°F (13.9°C). Weather in October »

November is the end of the autumn season, and by mid-November average daily temperatures drop to a cold 50°F (10°C). Daily sunshine drops drastically to 3 hours as the days become short. Weather in November »

Daily average high is around a chilly 46°F (7.8°C), and frost is common along with early morning fog. Snow is a remote possibility in the face of cold winds. Weather in December »