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.
Average day and night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Rotterdam. Typically, daytime temperatures range from a comfortable 23°C in July to a chilly 7°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 2°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Rotterdam has a moderate amount of precipitation, averaging 859 mm of rain/snowfall annually. Precipitation levels in Rotterdam remain relatively steady throughout the year. August has the most rain, with 85 mm over 13 days. In April, this drops slightly to 54 mm, making the city's climate fairly predictable.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Rotterdam serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.6 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Rotterdam.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Rotterdam ranges from 4°C in August to 6°C in January.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Rotterdam in the Netherlands
During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 23°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 7°C.
August tops the wettest month list with 85 mm of rainfall.
April is the driest month with 54 mm of precipitation.
May is the sunniest month with an average of 228 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
