Monthly weather forecast and climate
Rotterdam, Netherlands

An old ship dock in Rotterdam, Netherlands, overlooking the Williamsburg Bridge and the famous Openlucht Binnenvaart museum
An old ship dock in Rotterdam, Netherlands, overlooking the Williamsburg Bridge and the famous Openlucht Binnenvaart museum

What is the coldest month in Rotterdam?

The coldest month is January, with an average high-temperature of 6°C (42.8°F) and an average low-temperature of 0.8°C (33.4°F).

How many days does it rain in Rotterdam?

Throughout the year, in Rotterdam, there are 132 rainfall days, and 855.6mm (33.7") of precipitation is accumulated.

When does it snow in Rotterdam?

Months with snowfall in Rotterdam are January through April, November and December.

How many days does it snow in Rotterdam?

In Rotterdam, during the entire year, snow falls for 23 days.

When does it snow the most in Rotterdam?

January is the month with the most snowfall days in Rotterdam. Snow falls for 6 days.

What is the driest month in Rotterdam?

The month with the least rainfall in Rotterdam, Netherlands, is April when the rain falls for 9 days and typically collects 42.6mm (1.7") of precipitation.

What is the least humid month in Rotterdam?

May is the least humid month, with an average relative humidity of 77%.

What is the month with the highest UV index in Rotterdam?

Months with the highest UV index in Rotterdam, Netherlands, are June and July, with an average UV index of 6.

What is the warmest month in Rotterdam?

With an average high-temperature of 22.2°C (72°F) and an average low-temperature of 13.1°C (55.6°F), July is the warmest month in Rotterdam.

What is the wettest month in Rotterdam?

The month with the most rainfall is October when the rain falls for 12 days and typically aggregates up to 90.1mm (3.5") of precipitation.

What are the most humid months in Rotterdam?

Months with the highest humidity in Rotterdam are November and December, with an average relative humidity of 89%.

What is the month with the lowest UV index in Rotterdam?

The month with the lowest UV index in Rotterdam is December, with an average UV index of 0.
Average temperature - Rotterdam, Netherlands
Average humidity - Rotterdam, Netherlands
Average rainfall - Rotterdam, Netherlands

The wettest month (with the highest rainfall) is October (90.1mm).
The driest month (with the lowest rainfall) is April (42.6mm).

Average rainfall days - Rotterdam, Netherlands

Months with the highest number of rainy days are November and December (13 days).
Months with the lowest number of rainy days are April and May (9 days).

Average snowfall days - Rotterdam, Netherlands

The month with the highest number of snowfall days is January (6 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Rotterdam, Netherlands
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