Rotterdam Climate by Month
The best time to visit Rotterdam is in spring, summer or early autumn. This means from April till the end of September.
A lot of rain is seen througout the whole year even in summer. Summers are very changeable and not very warm. If there are more than 5 days above 25°C is it named a heat wave.
Rotterdam rarely sees snow but it does occur in some winters and there are usually a few days with temperatures below 0°C.
The graphs below provide an overview of the climate in Rotterdam (Zuid-Holland), the Netherlands. They present long-term patterns and averages of weather conditions over a 30-year period.
Average day and night temperature
The mean minimum and maximum temperatures over the year.
Monthly hours of sunshine
The average monthly total hours of sunshine over the year
Daily percent of sunshine
The mean percent of hours of sunhours during the day over the year
Monthly precipitation
The mean monthly precipitation over the year, including rain, snow, hail etc.
Monthly rainy days
The average number of days each month with rain, snow, hail etc.
Average humidity
The mean monthly relative humidity over the year
Average wind speed
The mean monthly wind speed over the year (in meters per second)
