Dublin weather in August
August in Dublin: nice, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Dublin · #213 of 604 destinations to visit in August · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Dublin climate normals — August
| Daytime high | 19°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 94 mm / 3.7 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 14.7 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Dublin in August — FAQ
- Is August a good time to visit Dublin?
- August in Dublin: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Dublin on SeasonMap's comfort score (84/100).
- What is the weather like in Dublin in August?
- In August, Dublin averages a daily high of 18.6°C and a low of 13.7°C, with about 93.9 mm of rain over roughly 14.2 rainy days.
- What is the air quality in Dublin in August?
- Dublin has a mean US Air Quality Index of about 30 in August.