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.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and September — expect around 14.9–21°C with roughly 39% chance of rain on a given day in August.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 3.7° / 7.5° | 49% | 99 mm | 31% | 24.5 kph |
| February | 3.9° / 8.4° | 40% | 76 mm | 33% | 23.6 kph |
| March | 5° / 9.7° | 38% | 67 mm | 35% | 22.3 kph |
| April | 6.6° / 12.8° | 33% | 54 mm | 41% | 20 kph |
| May | 8.8° / 15.5° | 34% | 57 mm | 45% | 19.2 kph |
| June | 12.1° / 17.9° | 33% | 60 mm | 46% | 18.6 kph |
| July☀ | 14.7° / 20.5° | 36% | 64 mm | 48% | 18.2 kph |
| August☀ | 14.9° / 21° | 39% | 74 mm | 47% | 18.7 kph |
| September☀ | 12.5° / 18.3° | 38% | 74 mm | 44% | 19.9 kph |
| October | 8.8° / 13.6° | 44% | 93 mm | 38% | 21.1 kph |
| November | 6° / 9.9° | 46% | 98 mm | 33% | 22.2 kph |
| December | 4.2° / 8.5° | 49% | 101 mm | 30% | 23.6 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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