Dublin weather in October
October in Dublin: cool, rainy, with clean air — a great time to visit.
#8 of 12 months in Dublin · #400 of 604 destinations to visit in October · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Dublin climate normals — October
| Daytime high | 14°C / 57°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 107 mm / 4.2 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 10°C / 49°F | |
| Sunshine | 6.2 h/day | |
| Daylight | 10.6 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 29 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Dublin in October — FAQ
- Is October a good time to visit Dublin?
- October in Dublin: cool, rainy, with clean air — a great time to visit. It ranks #8 of 12 months for Dublin on SeasonMap's comfort score (70/100).
- What is the weather like in Dublin in October?
- In October, Dublin averages a daily high of 13.9°C and a low of 9.7°C, with about 106.5 mm of rain over roughly 16.2 rainy days.
- What is the air quality in Dublin in October?
- Dublin has a mean US Air Quality Index of about 29 in October.