Galway Weather & Climate

Republic of Ireland

Galway sees feels-like daytime highs peak around 21°C in August and nighttime lows bottom out near 3.7°C in January. December is the wettest month (~101 mm), while April is the driest (~54 mm). For sunshine, July leads with about 48% clear skies.

Best time to visit Galway

Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and September — expect around 14.921°C with roughly 39% chance of rain on a given day in August.

Galway climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January3.7° / 7.5°49%99 mm31%24.5 kph
February3.9° / 8.4°40%76 mm33%23.6 kph
March5° / 9.7°38%67 mm35%22.3 kph
April6.6° / 12.8°33%54 mm41%20 kph
May8.8° / 15.5°34%57 mm45%19.2 kph
June12.1° / 17.9°33%60 mm46%18.6 kph
July14.7° / 20.5°36%64 mm48%18.2 kph
August14.9° / 21°39%74 mm47%18.7 kph
September12.5° / 18.3°38%74 mm44%19.9 kph
October8.8° / 13.6°44%93 mm38%21.1 kph
November6° / 9.9°46%98 mm33%22.2 kph
December4.2° / 8.5°49%101 mm30%23.6 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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