City in South Holland, Netherlands
Rotterdam weather by month and the best time to visit
When to go to Rotterdam
May–Sep is warmest and best for terraces and the waterfront; Rotterdam is windy and grey Nov–Feb. Cruise and festival weekends in summer are busier.
Rotterdam weather by month
Average daily high, rainfall and conditions.
- Jan6°77 mm
- Feb6°66 mm
- Mar8°55 mm
- Apr12°38 mm
- May16°56 mm
- Jun19°62 mm
- Jul21°78 mm
- Aug21°87 mm
- Sep19°70 mm
- Oct15°79 mm
- Nov10°81 mm
- Dec6°85 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 6°C42°F | 2°C36°F | 77 mm | 91% | Cold |
| February | 6°C43°F | 2°C35°F | 66 mm | 89% | Cold |
| March | 8°C47°F | 3°C37°F | 55 mm | 86% | Cold |
| April | 12°C54°F | 6°C42°F | 38 mm | 82% | Cool |
| May | 16°C61°F | 9°C49°F | 56 mm | 80% | Cool |
| June | 19°C66°F | 12°C54°F | 62 mm | 79% | Pleasant |
| July | 21°C70°F | 15°C59°F | 78 mm | 78% | Pleasant |
| August | 21°C71°F | 15°C59°F | 87 mm | 78% | Pleasant |
| September | 19°C66°F | 13°C55°F | 70 mm | 80% | Pleasant |
| October | 15°C58°F | 10°C49°F | 79 mm | 85% | Cool |
| November | 10°C50°F | 6°C43°F | 81 mm | 89% | Cold |
| December | 6°C44°F | 3°C38°F | 85 mm | 91% | Cold |
Best months across Netherlands
Quick answers
What is the best month to visit Rotterdam?
May–Sep. May–Sep is warmest and best for terraces and the waterfront; Rotterdam is windy and grey Nov–Feb. Cruise and festival weekends in summer are busier.
When is the rainy season in Rotterdam?
Rain peaks in August with about 87 mm. No month averages 150 mm or more.
What is the hottest month in Rotterdam?
August, with average highs of 21°C (71°F).
How cold does Rotterdam get?
The coolest nights are in February, averaging 2°C (35°F).
More about Rotterdam
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Sources
- NASA POWER climatology (2001–2020)
- RET Rotterdam public transport
- Rotterdam The Hague Airport
- Rotterdam Tourist Information
- NS Dutch Railways
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.