Rotterdam weather in January
January in Rotterdam: cold, a little rain, with clean air — a fair time to visit.
#11 of 12 months in Rotterdam · #672 of 897 destinations to visit in January · comfort 56/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Rotterdam in January
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Rotterdam climate normals — January
| Daytime high | 7°C / 44°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 3°C / 38°F | |
| Sunshine | 3.5 h/day | |
| Daylight | 8.4 h | |
| Wind | 25 km/h / 15 mph | |
| Snowfall | 1.7 cm / 0.7 in | |
| 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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Rotterdam in January — FAQ
- Is January a good time to visit Rotterdam?
- January in Rotterdam: cold, a little rain, with clean air — a fair time to visit. It ranks #11 of 12 months for Rotterdam on SeasonMap's comfort score (56/100).
- What is the weather like in Rotterdam in January?
- In January, Rotterdam averages a daily high of 6.9°C and a low of 2.9°C, with about 63 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Rotterdam in January?
- Rotterdam has a mean US Air Quality Index of about 31 in January.
- Does it snow in Rotterdam in January?
- Rotterdam sees roughly 1.7 cm of snowfall in January.