Rotterdam Weather by Month
Twelve months of Rotterdam, Netherlands weather — averages from 2006–2025.
Rotterdam's warmest month is July (average high 22.2°C (72°F)) and the coolest is January (6.3°C (43.3°F)). The most rain falls in July (about 84 mm), and April is the driest (about 44 mm). June is the sunniest, with about 12.1 hours of sunshine a day.
Best months to visit Rotterdam
Ranked within Rotterdam's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Rotterdam month by month
January
FairHigh 6.3°C (43.3°F)
Low 1.9°C (35.4°F)
- Rainfall
- 72 mm (2.8 in)
- Rainy days
- 14 rainy days
- Sunshine
- 3.9 h sunshine / day
February
FairHigh 7.3°C (45.1°F)
Low 1.9°C (35.4°F)
- Rainfall
- 60 mm (2.4 in)
- Rainy days
- 12 rainy days
- Sunshine
- 5.2 h sunshine / day
March
FairHigh 10.2°C (50.4°F)
Low 3.2°C (37.8°F)
- Rainfall
- 57 mm (2.2 in)
- Rainy days
- 12 rainy days
- Sunshine
- 7.8 h sunshine / day
April
GoodHigh 14°C (57.2°F)
Low 5.8°C (42.4°F)
- Rainfall
- 44 mm (1.7 in)
- Rainy days
- 10 rainy days
- Sunshine
- 10.7 h sunshine / day
May
GoodHigh 17.4°C (63.3°F)
Low 9.4°C (48.9°F)
- Rainfall
- 67 mm (2.6 in)
- Rainy days
- 12 rainy days
- Sunshine
- 11.4 h sunshine / day
June
GoodHigh 20.5°C (68.9°F)
Low 12.6°C (54.7°F)
- Rainfall
- 66 mm (2.6 in)
- Rainy days
- 11 rainy days
- Sunshine
- 12.1 h sunshine / day
July
GoodHigh 22.2°C (72°F)
Low 14.7°C (58.5°F)
- Rainfall
- 84 mm (3.3 in)
- Rainy days
- 14 rainy days
- Sunshine
- 12.1 h sunshine / day
August
GoodHigh 21.8°C (71.2°F)
Low 14.6°C (58.3°F)
- Rainfall
- 81 mm (3.2 in)
- Rainy days
- 15 rainy days
- Sunshine
- 11 h sunshine / day
September
GoodHigh 19.2°C (66.6°F)
Low 12.4°C (54.3°F)
- Rainfall
- 65 mm (2.6 in)
- Rainy days
- 11 rainy days
- Sunshine
- 9.1 h sunshine / day
October
GoodHigh 15°C (59°F)
Low 9.5°C (49.1°F)
- Rainfall
- 82 mm (3.2 in)
- Rainy days
- 14 rainy days
- Sunshine
- 6.4 h sunshine / day
November
FairHigh 10.3°C (50.5°F)
Low 5.7°C (42.3°F)
- Rainfall
- 73 mm (2.9 in)
- Rainy days
- 14 rainy days
- Sunshine
- 4.4 h sunshine / day
December
FairHigh 7.2°C (45°F)
Low 3.2°C (37.8°F)
- Rainfall
- 75 mm (2.9 in)
- Rainy days
- 14 rainy days
- Sunshine
- 3.3 h sunshine / day
More Netherlands cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.