Galway weather in October
October in Galway: cool, rainy, with clean air — fine if you can take 21 rainy days.
#7 of 12 months in Galway · #667 of 897 destinations to visit in October · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Galway in October
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Galway climate normals — October
| Daytime high | 13°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Rainfall | 150 mm / 5.9 in | 🌧 rainy |
| Rainy days | 21 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 9°C / 49°F | |
| Sunshine | 5.6 h/day | |
| Daylight | 10.6 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Galway in October — FAQ
- Is October a good time to visit Galway?
- October in Galway: cool, rainy, with clean air — fine if you can take 21 rainy days. It ranks #7 of 12 months for Galway on SeasonMap's comfort score (69/100).
- What is the weather like in Galway in October?
- In October, Galway averages a daily high of 13.4°C and a low of 9°C, with about 149.5 mm of rain over roughly 21 rainy days.
- What is the air quality in Galway in October?
- Galway has a mean US Air Quality Index of about 31 in October.