Monthly weather forecast and climate
Haarlem, Netherlands

Weather in January

January, like December, in Haarlem, Netherlands, is a wintry winter month, with average temperature varying between 5.8°C (42.4°F) and 3.6°C (38.5°F). The coldest months are January and February, with an average high-temperature of 5.8°C (42.4°F). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Haarlem, Netherlands, with average temperature varying between 5.8°C (42.4°F) and 3.3°C (37.9°F). January and February, with an average high-temperature of 5.8°C (42.4°F), are the coldest months. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Haarlem, Netherlands, with average temperature varying between 4.8°C (40.6°F) and 8.2°C (46.8°F). In March, the average high-temperature is essentially the same as in February - a frosty 8.2°C (46.8°F). Weather in March »

Weather in April

April is a cool spring month in Haarlem, Netherlands, with average temperature varying between 7.3°C (45.1°F) and 11.3°C (52.3°F). In Haarlem, Netherlands, the average high-temperature in April slightly increases, from a frosty 8.2°C (46.8°F) in March, to a cool 11.3°C (52.3°F). Weather in April »

Weather in May

May, the last month of the spring, in Haarlem, is a moderate month, with temperature in the range of an average low of 10°C (50°F) and an average high of 13.9°C (57°F). In May, the average high-temperature is almost the same as in April - a moderate 13.9°C (57°F). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Haarlem, Netherlands, with average temperature fluctuating between 17°C (62.6°F) and 13°C (55.4°F). In Haarlem, the average high-temperature marginally rises, from a mild 13.9°C (57°F) in May, to a comfortable 17°C (62.6°F). Weather in June »

Weather in July

July, like June, in Haarlem, Netherlands, is another enjoyable summer month, with average temperature ranging between max 19°C (66.2°F) and min 15.6°C (60.1°F). In Haarlem, the average high-temperature in July is essentially the same as in June - a still enjoyable 19°C (66.2°F). Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Haarlem, Netherlands, with average temperature fluctuating between 16.6°C (61.9°F) and 19.9°C (67.8°F). With an average high-temperature of 19.9°C (67.8°F) and an average low-temperature of 16.6°C (61.9°F), August is the warmest month. Weather in August »

Weather in September

September, the first month of the autumn, in Haarlem, is still a comfortable month, with average temperature varying between 17.7°C (63.9°F) and 14.5°C (58.1°F). In September, the average high-temperature is almost the same as in August - a still enjoyable 17.7°C (63.9°F). Weather in September »

Weather in October

October, the same as September, in Haarlem, Netherlands, is another mild autumn month, with average temperature varying between 11.5°C (52.7°F) and 14.6°C (58.3°F). In Haarlem, the average high-temperature in October slightly decreases, from an enjoyable 17.7°C (63.9°F) in September, to a mild 14.6°C (58.3°F). Weather in October »

Weather in November

November, the last month of the autumn, in Haarlem, is another cool month, with average temperature ranging between max 10.3°C (50.5°F) and min 8°C (46.4°F). In Haarlem, the average high-temperature marginally drops, from a moderate 14.6°C (58.3°F) in October, to a cool 10.3°C (50.5°F). Weather in November »

Weather in December

December, the first month of the winter, in Haarlem, is still a chilly month, with average temperature fluctuating between 7.7°C (45.9°F) and 5.6°C (42.1°F). In December, the average high-temperature is almost the same as in November - a chilly 7.7°C (45.9°F). Weather in December »
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FAQ

What is the coldest month in Haarlem?

The coldest months are January and February, with an average high-temperature of 5.8°C (42.4°F).

What are the most humid months in Haarlem?

Months with the highest humidity are January and December, with an average relative humidity of 83%.

How much does it rain in Haarlem?

Throughout the year, in Haarlem, Netherlands, there are 169.2 rainfall days, and 339mm (13.35") of precipitation is accumulated.

When does it snow in Haarlem?

Months with snowfall are January through March and December.

How many days does it snow in Haarlem?

Throughout the year, in Haarlem, there are 7.7 snowfall days, and 23mm (0.91") of snow is accumulated.

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

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

When does it snow the most in Haarlem?

February is the month with the most snowfall in Haarlem, Netherlands. Snow falls for 2.7 days and accumulates 9mm (0.35") of snow.

What is the driest month in Haarlem?

The month with the least rainfall in Haarlem, Netherlands, is April when the rain falls for 10.6 days and typically collects 11mm (0.43") of precipitation.

When it does not snow in Haarlem?

April through November are months without snowfall in Haarlem, Netherlands.

When are the longest days in Haarlem?

With an average of 16.7h of daylight, June has the longest days of the year.

What month has the most sunshine in Haarlem?

June has the most sunshine of the year in Haarlem, Netherlands, with an average of 10.2h of sunshine.

When is the highest UV index in Haarlem?

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

What is the warmest month in Haarlem?

With an average high-temperature of 19.9°C (67.8°F) and an average low-temperature of 16.6°C (61.9°F), August is the warmest month in Haarlem.

What is the least humid month in Haarlem?

With an average relative humidity of 76%, August is the least humid month.

What is the wettest month in Haarlem?

August is the month with the most rainfall in Haarlem, Netherlands. Rain falls for 17.2 days and accumulates 48mm (1.89") of precipitation.

What is the month with the shortest days in Haarlem?

With an average of 7.8h of daylight, December has the shortest days of the year in Haarlem.

What is the month with the least sunshine in Haarlem?

With an average of 3.4h of sunshine, December has the least sunshine of the year.

Average temperature
Haarlem, Netherlands

Average temperature - Haarlem, Netherlands

The warmest month (with the highest average high temperature) is August (19.9°C).
Months with the lowest average high temperature are January and February (5.8°C).

The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).

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Average pressure
Haarlem, Netherlands

Average pressure - Haarlem, Netherlands

The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

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Average wind speed
Haarlem, Netherlands

Average wind speed - Haarlem, Netherlands

The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is July (18km/h).

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Average humidity
Haarlem, Netherlands

Average humidity - Haarlem, Netherlands

Months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (76%).

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Average rainfall
Haarlem, Netherlands

Average rainfall - Haarlem, Netherlands

The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (11mm).

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Average rainfall days
Haarlem, Netherlands

Average rainfall days - Haarlem, Netherlands

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is April (10.6 days).

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Average snowfall
Haarlem, Netherlands

Average snowfall - Haarlem, Netherlands

The month with the highest snowfall is February (9mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days
Haarlem, Netherlands

Average snowfall days - Haarlem, Netherlands

The month with the highest number of snowfall days is February (2.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Haarlem, Netherlands

Average daylight / Average sunshine - Haarlem, Netherlands

The month with the longest days is June (Average daylight: 16.7h).
The month with the shortest days is December (Average daylight: 7.8h).

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 3.4h).

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Average sunshine days
Haarlem, Netherlands

Average sunshine days - Haarlem, Netherlands

The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is December (9.1 days).

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Average UV index
Haarlem, Netherlands

Average UV index - Haarlem, 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
Haarlem, Netherlands

Average visibility - Haarlem, Netherlands

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

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