climigo

Ireland

When to go?

No ideal month: the best months are July–August, the least rainy with the right temperature. Nothing against February–June, September either. Avoid October–January (often rainy).

Climate zones

United KingdomDublinDublinDublinCorkCorkCorkGalwayGalwayGalwayLimerickLimerickLimerickDroghedaDroghedaDroghedaKillarney National ParkKillarney National Park

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 8°3°
February 9°3°
March 10°3°
April 13°5°
May 15°7°
June 18°10°
July 19°11°
August 19°11°
September 17°10°
October 14°8°
November 10°5°
December 8°3°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDec2.9 · 8.0 °CJanuary: 2.9 · 8.0 °C3.0 · 8.8 °CFebruary: 3.0 · 8.8 °C3.3 · 10.3 °CMarch: 3.3 · 10.3 °C4.6 · 12.6 °CApril: 4.6 · 12.6 °C7.1 · 15.3 °CMay: 7.1 · 15.3 °C9.6 · 17.6 °CJune: 9.6 · 17.6 °C11.3 · 19.0 °CJuly: 11.3 · 19.0 °C11.3 · 18.8 °CAugust: 11.3 · 18.8 °C9.8 · 17.0 °CSeptember: 9.8 · 17.0 °C7.5 · 13.7 °COctober: 7.5 · 13.7 °C4.8 · 10.2 °CNovember: 4.8 · 10.2 °C3.4 · 8.3 °CDecember: 3.4 · 8.3 °C

Monthly min and max temperature (°C)

Jan 2.9 – 8.0 °C
Feb 3.0 – 8.8 °C
Mar 3.3 – 10.3 °C
Apr 4.6 – 12.6 °C
May 7.1 – 15.3 °C
Jun 9.6 – 17.6 °C
Jul 11.3 – 19.0 °C
Aug 11.3 – 18.8 °C
Sep 9.8 – 17.0 °C
Oct 7.5 – 13.7 °C
Nov 4.8 – 10.2 °C
Dec 3.4 – 8.3 °C

How much it rains

January 111 mm15 d
February 94 mm14 d
March 82 mm13 d
April 74 mm13 d
May 78 mm13 d
June 80 mm13 d
July 87 mm14 d
August 103 mm14 d
September 94 mm13 d
October 130 mm16 d
November 129 mm16 d
December 128 mm15 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec111 mm · 15 rain days · 7 mm a dayJanuary: 111 mm · 15 rain days · 7 mm a day94 mm · 14 rain days · 7 mm a dayFebruary: 94 mm · 14 rain days · 7 mm a day82 mm · 13 rain days · 6 mm a dayMarch: 82 mm · 13 rain days · 6 mm a day74 mm · 13 rain days · 6 mm a dayApril: 74 mm · 13 rain days · 6 mm a day78 mm · 13 rain days · 6 mm a dayMay: 78 mm · 13 rain days · 6 mm a day80 mm · 13 rain days · 6 mm a dayJune: 80 mm · 13 rain days · 6 mm a day87 mm · 14 rain days · 6 mm a dayJuly: 87 mm · 14 rain days · 6 mm a day103 mm · 14 rain days · 7 mm a dayAugust: 103 mm · 14 rain days · 7 mm a day94 mm · 13 rain days · 7 mm a daySeptember: 94 mm · 13 rain days · 7 mm a day130 mm · 16 rain days · 8 mm a dayOctober: 130 mm · 16 rain days · 8 mm a day129 mm · 16 rain days · 8 mm a dayNovember: 129 mm · 16 rain days · 8 mm a day128 mm · 15 rain days · 9 mm a dayDecember: 128 mm · 15 rain days · 9 mm a day

Rain days and how much water

Jan 111 mm15 d
Feb 94 mm14 d
Mar 82 mm13 d
Apr 74 mm13 d
May 78 mm13 d
Jun 80 mm13 d
Jul 87 mm14 d
Aug 103 mm14 d
Sep 94 mm13 d
Oct 130 mm16 d
Nov 129 mm16 d
Dec 128 mm15 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 8 h 07
February 9 h 53
March 11 h 48
April 13 h 57
May 15 h 49
June 16 h 54
July 16 h 26
August 14 h 47
September 12 h 43
October 10 h 40
November 8 h 42
December 7 h 37

Mean daylight hours over the whole territory.

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Main cities

Dublin

Cork

Galway

Tourist areas

Cities