Ireland climate

World Climates covers 3 places in Ireland. By annual mean temperature, the warmest is Cork (11 °C51 °F) and the coolest is Dublin (10 °C50 °F). The wettest is Cork with 1,198 mm47 in of precipitation per year, the driest Dublin with 983 mm39 in.

The most common climate types (Köppen classification computed from these averages) are temperate oceanic (Cfb, 3 places).

The highest monthly average high is in Limerick (19 °C67 °F in July); the lowest monthly average low is in Limerick (3 °C38 °F in February).

Across the places in Ireland, the months that most often rank as the most comfortable are June, July and August (3, 3 and 3 of 3 places respectively).

Temperature and rainfall across Ireland

Annual mean temperatures in Ireland range from 10 °C50 °F to 11 °C51 °F. The typical place (the median of all 3) has a year average of 10 °C51 °F. Annual precipitation ranges from 983 mm39 in to 1,198 mm47 in. The median place receives about 1,091 mm43 in in an average year.

In 0 places of 3, the coldest month has an average low below 0 °C (32 °F). In 0 places, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 3 places, July is the warmest month, with a mean of 16 °C60 °F. February is the coldest, with 6 °C43 °F. The wettest month on average is November (116 mm4.6 in). The driest is April (69 mm2.7 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Dublin, Cork and Limerick. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Ireland

Dublin has a temperate oceanic climate (Köppen Cfb). Its year average is 10 °C50 °F. The warmest month is July, with an average high of 18 °C64 °F. The coldest is February, with an average low of 4 °C39 °F. About 983 mm39 in of precipitation falls in a year. November is the wettest month and April the driest. By our comfort score, the best months to visit are June–September.

Cork has a temperate oceanic climate (Köppen Cfb). Its year average is 11 °C51 °F. The warmest month is July, with an average high of 19 °C67 °F. The coldest is February, with an average low of 4 °C39 °F. About 1,198 mm47 in of precipitation falls in a year. December is the wettest month and April the driest. By our comfort score, the best months to visit are June–September.

Limerick has a temperate oceanic climate (Köppen Cfb). Its year average is 10 °C51 °F. The warmest month is July, with an average high of 19 °C67 °F. The coldest is February, with an average low of 3 °C38 °F. About 1,091 mm43 in of precipitation falls in a year. November is the wettest month and April the driest. By our comfort score, the best months to visit are June–September.

Frequently asked questions

Which is the warmest place in Ireland?

By annual mean temperature, the warmest place in Ireland is Cork at 11 °C51 °F. The coolest is Dublin at 10 °C50 °F.

Where does it rain the most in Ireland?

Cork gets the most precipitation, 1,198 mm47 in in an average year. The driest place is Dublin with 983 mm39 in.

How many places in Ireland does this site cover?

World Climates has climate data for 3 places in Ireland. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Ireland?

It depends on the place. Across Ireland, the months that most often rank as the most comfortable are June, July and August. Check the page of each city for its own best months.