Average Monthly Sunshine hours in Rotterdam
This graph shows the average number of hours per month that Rotterdam receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.
- On average, May is the sunniest month with 228 hours of sunshine.
- December has on average the lowest amount of sunshine with 54 hours.
- On average, the total annual amount of sun is 1722 hours.
Forecast: is it sunny in Rotterdam?
almost clear and no rain
overcast and chance of slight rain
broken clouds and no rain