Rotterdam weather in August
August in Rotterdam: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Rotterdam · #156 of 897 destinations to visit in August · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Rotterdam in August
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Rotterdam climate normals — August
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 71 mm / 2.8 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 14.6 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Rotterdam in August — FAQ
- Is August a good time to visit Rotterdam?
- August in Rotterdam: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Rotterdam on SeasonMap's comfort score (90/100).
- What is the weather like in Rotterdam in August?
- In August, Rotterdam averages a daily high of 22.6°C and a low of 15.2°C, with about 71.1 mm of rain over roughly 13 rainy days.
- What is the air quality in Rotterdam in August?
- Rotterdam has a mean US Air Quality Index of about 48 in August.