City in County Galway, Ireland
Galway weather by month and the best time to visit
When to go to Galway
May–September is best; July's arts festival and August's Galway Races pack the city. Winters are mild but wet, wild and dark.
Galway weather by month
Average daily high, rainfall and conditions.
- Jan8°108 mm
- Feb8°84 mm
- Mar10°81 mm
- Apr13°68 mm
- May16°81 mm
- Jun19°89 mm
- Jul20°97 mm
- Aug19°105 mm
- Sep17°86 mm
- Oct14°104 mm
- Nov10°118 mm
- Dec8°113 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 8°C46°F | 3°C37°F | 108 mm | 94% | Cold |
| February | 8°C46°F | 3°C37°F | 84 mm | 93% | Cold |
| March | 10°C49°F | 3°C37°F | 81 mm | 89% | Cold |
| April | 13°C55°F | 5°C41°F | 68 mm | 84% | Cool |
| May | 16°C61°F | 8°C46°F | 81 mm | 80% | Cool |
| June | 19°C66°F | 10°C50°F | 89 mm | 78% | Pleasant |
| July | 20°C68°F | 12°C53°F | 97 mm | 81% | Pleasant |
| August | 19°C66°F | 11°C53°F | 105 mm | 84% | Pleasant |
| September | 17°C63°F | 10°C50°F | 86 mm | 86% | Cool |
| October | 14°C56°F | 8°C46°F | 104 mm | 90% | Cool |
| November | 10°C50°F | 5°C41°F | 118 mm | 94% | Cold |
| December | 8°C46°F | 4°C38°F | 113 mm | 95% | Cold |
Best months across Ireland
Quick answers
What is the best month to visit Galway?
May–Jul, Sep. May–September is best; July's arts festival and August's Galway Races pack the city. Winters are mild but wet, wild and dark.
When is the rainy season in Galway?
Rain peaks in November with about 118 mm. No month averages 150 mm or more.
What is the hottest month in Galway?
July, with average highs of 20°C (68°F).
How cold does Galway get?
The coolest nights are in February, averaging 3°C (37°F).
More about Galway
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Sources
- NASA POWER climatology (2001–2020)
- Galway City Council
- Failte Ireland
- Transport for Ireland
- Galway Clinic
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.