Best time to visit Galway
The best months to visit Galway are July, August and June, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
July, August and June score best for Galway weather:
- June17° / 11°CLong days help offset showers, with strong conditions for Aran and Connemara plans.
- July19° / 12°CPeak festival and visitor month, mild but still rain-prone.
- August18° / 12°CBusy and showery, with family travel, music, and day-trip demand high.
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By TripSapien Research · Updated May 20, 2026
Galway weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| January | 8° | 4° | 98 | 20 | 8h | 8° |
| February | 9° | 4° | 89 | 19 | 9h | 7° |
| March | 10° | 4° | 80 | 20 | 11h | 9° |
| April | 13° | 5° | 70 | 20 | 13h | 12° |
| May | 15° | 8° | 82 | 21 | 15h | 16° |
| JuneBest weather | 17° | 11° | 79 | 19 | 17h | 17° |
| JulyBest weather | 19° | 12° | 85 | 22 | 17h | 20° |
| AugustBest weather | 18° | 12° | 91 | 22 | 16h | 19° |
| September | 17° | 11° | 78 | 19 | 14h | 15° |
| October | 14° | 8° | 106 | 20 | 12h | 13° |
| November | 11° | 6° | 101 | 20 | 10h | 10° |
| December | 9° | 4° | 106 | 20 | 8h | 8° |
Temperatures in °C. Long-term monthly averages.
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Galway month by month
January
Galway in January: 8.3°C high, 3.7°C low, 97.6mm rain over 20 days, 8.1h daylight. Mild but rainy — flexible plans pay off.
February
Galway in February: 8.9°C high, 3.6°C low, 88.5mm rain over 19 days, 9h daylight. Mild but rainy — flexible plans pay off.
March
Galway in March: 10.3°C high, 4.1°C low, 79.6mm rain over 20 days, 10.9h daylight. Mild but rainy — flexible plans pay off.
April
Galway in April: 12.7°C high, 5.4°C low, 69.9mm rain over 20 days, 13.1h daylight. Mild but rainy — flexible plans pay off.
May
Galway in May: 15.2°C high, 7.9°C low, 81.7mm rain over 21 days, 15.1h daylight. Mild but rainy — flexible plans pay off.
JuneBest weather
Galway in June: 17.4°C high, 10.5°C low, 79.3mm rain over 19 days, 16.7h daylight. Mild but rainy — flexible plans pay off.
JulyBest weather
Galway in July: 18.6°C high, 12.2°C low, 85.2mm rain over 22 days, 16.9h daylight. Mild but rainy — flexible plans pay off.
Galway Races
AugustBest weather
Galway in August: 18.4°C high, 12.1°C low, 91.2mm rain over 22 days, 15.6h daylight. Mild but rainy — flexible plans pay off.
Galway Races
September
Galway in September: 16.8°C high, 10.6°C low, 77.5mm rain over 19 days, 13.7h daylight. Mild but rainy — flexible plans pay off.
October
Galway in October: 13.7°C high, 8.3°C low, 105.8mm rain over 20 days, 11.6h daylight. Mild but rainy — flexible plans pay off.
Galway Races
November
Galway in November: 10.6°C high, 5.7°C low, 101.4mm rain over 20 days, 9.5h daylight. Mild but rainy — flexible plans pay off.
December
Galway in December: 8.5°C high, 4°C low, 106.2mm rain over 20 days, 7.9h daylight. Mild but rainy — flexible plans pay off.
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