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

Weather in January

January, the same as December, is another cold winter month in Rotterdam, Netherlands, with average temperature ranging between min 2.7°C (36.9°F) and max 5.6°C (42.1°F). The coldest month is January, with an average high-temperature of 5.6°C (42.1°F) and an average low-temperature of 2.7°C (36.9°F). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Rotterdam, Netherlands, with average temperature fluctuating between 6.3°C (43.3°F) and 2.3°C (36.1°F). In February, the average high-temperature is relatively the same as in January - a frosty 6.3°C (43.3°F). Weather in February »

Weather in March

March, the first month of the spring, in Rotterdam, is still a chilly month, with average temperature fluctuating between 9.9°C (49.8°F) and 4°C (39.2°F). In March, the average high-temperature marginally rises, from 6.3°C (43.3°F) in February, to a still frosty 9.9°C (49.8°F). Weather in March »

Weather in April

April in Rotterdam, Netherlands, is a mild spring month, with average temperature fluctuating between 14.3°C (57.7°F) and 6.8°C (44.2°F). In Rotterdam, the average high-temperature in April marginally rises, from a frosty 9.9°C (49.8°F) in March, to a mild 14.3°C (57.7°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Rotterdam, Netherlands, with average temperature varying between 9.5°C (49.1°F) and 16.8°C (62.2°F). In May, the average high-temperature is almost the same as in April - a comfortable 16.8°C (62.2°F). Weather in May »

Weather in June

The first month of the summer, June, is also an enjoyable month in Rotterdam, Netherlands, with temperature in the range of an average high of 19.7°C (67.5°F) and an average low of 12.3°C (54.1°F). In Rotterdam, the average high-temperature is practically the same as in May - a still enjoyable 19.7°C (67.5°F). Weather in June »

Weather in July

July in Rotterdam, Netherlands, is an agreeable summer month, with average temperature ranging between min 14.5°C (58.1°F) and max 22°C (71.6°F). The warmest months are July and August, with an average high-temperature of 22°C (71.6°F). Weather in July »

Weather in August

August, the last month of the summer, in Rotterdam, is another pleasant month, with average temperature ranging between min 15.3°C (59.5°F) and max 22°C (71.6°F). July and August, with an average high-temperature of 22°C (71.6°F), are the warmest months. Weather in August »

Weather in September

September, the first month of the autumn, in Rotterdam, is still a comfortable month, with average temperature varying between 12.8°C (55°F) and 18.7°C (65.7°F). In September, the average high-temperature slightly decreases, from a pleasant 22°C (71.6°F) in August, to an enjoyable 18.7°C (65.7°F). Weather in September »

Weather in October

October, the same as September, in Rotterdam, Netherlands, is a moderate autumn month, with average temperature fluctuating between 14.9°C (58.8°F) and 9.8°C (49.6°F). In Rotterdam, Netherlands, the average high-temperature marginally drops, from an enjoyable 18.7°C (65.7°F) in September, to a mild 14.9°C (58.8°F). Weather in October »

Weather in November

November, the last month of the autumn, in Rotterdam, is another cool month, with temperature in the range of an average low of 6.4°C (43.5°F) and an average high of 10°C (50°F). In Rotterdam, the average high-temperature in November marginally drops, from a mild 14.9°C (58.8°F) in October, to a cool 10°C (50°F). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Rotterdam, Netherlands, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 7.2°C (45°F). In December, the average high-temperature is relatively the same as in November - a frosty 7.2°C (45°F). Weather in December »
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FAQ

What is the coldest month in Rotterdam?

The coldest month in Rotterdam is January, with an average high-temperature of 5.6°C (42.1°F) and an average low-temperature of 2.7°C (36.9°F).

How much does it rain in Rotterdam?

In Rotterdam, during the entire year, the rain falls for 130.3 days and collects up to 205mm (8.07") of precipitation.

When does it snow in Rotterdam?

January through March, November and December are months with snowfall.

How much does it snow in Rotterdam?

Throughout the year, in Rotterdam, Netherlands, there are 7.4 snowfall days, and 36mm (1.42") of snow is accumulated.

What are the months with the lowest UV index in Rotterdam?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most in Rotterdam?

February is the month with the most snowfall in Rotterdam, Netherlands. Snow falls for 2.2 days and accumulates 19mm (0.75") of snow.

What is the least humid month in Rotterdam?

With an average relative humidity of 73%, April is the least humid month in Rotterdam.

What is the driest month in Rotterdam?

The month with the least rainfall in Rotterdam is April when the rain falls for 9.5 days and typically collects 9mm (0.35") of precipitation.

When it does not snow in Rotterdam?

In Rotterdam snow does not fall in April through October.

What is the rainiest month in Rotterdam?

June is the month with the most rainfall in Rotterdam, Netherlands. Rain falls for 11.3 days and accumulates 24mm (0.94") of precipitation.

When are the longest days in Rotterdam?

With an average of 16.6h of daylight, June has the longest days of the year in Rotterdam, Netherlands.

What month has the most sunshine in Rotterdam?

With an average of 9.8h of sunshine, June has the most sunshine of the year in Rotterdam, Netherlands.

What are the months with the highest UV index in Rotterdam?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What are the warmest months in Rotterdam?

Warmest months in Rotterdam are July and August, with an average high-temperature of 22°C (71.6°F).

What is the most humid month in Rotterdam?

December is the most humid month in Rotterdam, with an average relative humidity of 85%.

What is the month with the shortest days in Rotterdam?

December has the shortest days of the year in Rotterdam, Netherlands, with an average of 7.9h of daylight.

What is the month with the least sunshine in Rotterdam?

With an average of 3.5h of sunshine, December has the least sunshine of the year in Rotterdam, Netherlands.

Average temperature
Rotterdam, Netherlands

Average temperature - Rotterdam, Netherlands

The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

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Average pressure
Rotterdam, Netherlands

Average pressure - Rotterdam, Netherlands

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

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Average wind speed
Rotterdam, Netherlands

Average wind speed - Rotterdam, Netherlands

The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).

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Average humidity
Rotterdam, Netherlands

Average humidity - Rotterdam, Netherlands

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).

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Average rainfall
Rotterdam, Netherlands

Average rainfall - Rotterdam, Netherlands

The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).

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Average rainfall days
Rotterdam, Netherlands

Average rainfall days - Rotterdam, Netherlands

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).

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Average snowfall
Rotterdam, Netherlands

Average snowfall - Rotterdam, Netherlands

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Rotterdam, Netherlands

Average snowfall days - Rotterdam, Netherlands

The month with the highest number of snowfall days is February (2.2 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Rotterdam, Netherlands

Average daylight / Average sunshine - Rotterdam, Netherlands

The month with the longest days is June (Average daylight: 16.6h).
The month with the shortest days is December (Average daylight: 7.9h).

The month with the most sunshine is June (Average sunshine: 9.8h).
The month with the least sunshine is December (Average sunshine: 3.5h).

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Average sunshine days
Rotterdam, Netherlands

Average sunshine days - Rotterdam, Netherlands

The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).

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Average UV index
Rotterdam, Netherlands

Average UV index - Rotterdam, Netherlands

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Rotterdam, Netherlands

Average visibility - Rotterdam, Netherlands

Months with the highest visibility are April, May, June and August (10km).
Months with the lowest visibility are January, February, March, July, September, October, November and December (9km).

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