Climate and monthly weather forecast
Arnhem, Netherlands

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The climate of Arnhem

The climate in Arnhem is classified under the Köppen climate classification as Cfb, indicating a marine west coast climate with warm summers. This weather classification correlates with Arnhem's geographical location in the heart of the Netherlands.

Diverse and varying weather patterns occur throughout the year, reflecting the different climate conditions associated with each season. On average, high temperatures range from a comfortable 4.3°C (39.7°F) in the colder months, peaking at a pleasant 22.6°C (72.7°F) in the warmer season. Equally, low temperatures vary, moving from 0.8°C (33.4°F) in the colder periods to 13.8°C (56.8°F) during warmer months.

The humidity levels consistently hover between a high of 89% and a low of 75% throughout the year. Notably, the rainfall levels on average are relatively high, with monthly averages ranging from 16mm (0.63") in dry months to 37mm (1.46") in wetter periods with rainfall days per month averaging from 10 to 17.9 days.

Arnhem experiences relatively mild snowfall primarily in the winter months with January having the most at 17mm (0.67") over 3.3 days. Days with Sunshine occur predominantly in late autumn and early winter, with an annual high of 17.8 days reported in October.

Wind speeds remain fairly consistent throughout the year, fluctuating between an average of 11.6km/h (7.2mph) to 17.6km/h (10.9mph). Furthermore, atmospheric pressure does not vary significantly, with a moderate range from 1012mb to 1017.1mb.

The best time to visit Arnhem

The optimal time for visiting Arnhem tends to be in the summer months from June to August. During this period, high temperatures average at 20.3°C (68.5°F) in June, 22.6°C (72.7°F) in July, and 22.3°C (72.1°F) in August. Concurrently, the average low temperatures vary from 11.7°C (53.1°F) to 13.8°C (56.8°F). Sunshine hours are also at their highest in this period, averaging from 8.2 hours to 8.9 hours per day. Visiting at this time should ensure the most pleasant weather conditions for outdoor activities and sightseeing.

The worst time to visit Arnhem

The least favorable time to visit Arnhem is typically during winter, from December through February. These months possess the coldest temperature readings, with average high temperatures varying from 4.3°C (39.7°F) to 5.8°C (42.4°F) and minimum temperatures fluctuating from 0.8°C (33.4°F) to 2.2°C (36°F). Rainfall also tends to be high during this period, averaging from 20mm (0.79") to 26mm (1.02") per month. Additionally, these months have shorter daylight hours, ranging from 7.9 to 10 hours, which may restrict outdoor activities.

Spring weather in Arnhem

Spring in Arnhem, spanning from March to May, creates a gradual warming trend. Average high temperatures during this season range from 9.9°C (49.8°F) to 17.4°C (63.3°F). Equally, low temperatures transition from 2.8°C (37°F) in March to 8.3°C (46.9°F) in May. Rainfall levels average between 18mm (0.71") to 25mm (0.98") across these months and spring also introduces longer daylight hours, gradually increasing from 11.9 hours to 15.7 hours.

Summer weather in Arnhem

Summers in Arnhem, from June to August, are warm and pleasant. This season boasts the highest temperatures of the year, with average highs between 20.3°C (68.5°F) and 22.6°C (72.7°F), as well as average lows from 11.7°C (53.1°F) to 13.8°C (56.8°F). This period also has the most sunshine hours, which peak at 8.9 hours per day in July. Rainfall levels, however, are higher in summer, with an average between 29mm (1.14") and 37mm (1.46") per month.

Autumn weather in Arnhem

Autumn in Arnhem, from September to November, carries a cooling trend. Average high temperatures transition from 18.7°C (65.7°F) in September to 9.1°C (48.4°F) in November. In addition, low temperatures switch from 10.6°C (51.1°F) to 4.6°C (40.3°F) across these months. Despite the drop in temperature, sunshine hours remain substantial, ranging from 7.2 hours to 4 hours per day, while rainfall levels are moderate, toggling from 16mm (0.63") to 22mm (0.87").

Winter weather in Arnhem

Winters in Arnhem are characterized by markedly lower temperatures and shorter daylight hours. From December through February, average high and low temperatures fluctuate between 4.3°C (39.7°F) to 5.8°C (42.4°F) and 0.8°C (33.4°F) to 2.2°C (36°F), respectively. Daylight hours, which decrease significantly during winter, change between 7.9 hours to 10 hours per day. Snowfall, though minimum, predominantly occurs during this period with January having the highest average of 17mm (0.67"). Rainfall averages vary from 20mm (0.79") in December to 26mm (1.02") in February.

Weather in January

The year in Arnhem, Netherlands starts with cool temperatures and an abundance of cloudiness. Snowfall, while not prolific, is a frequent occurrence and can create a picturesque winter setting around the city. January also experiences the shortest daylight hours of the year, leading to long evenings. Weather in January »

Weather in February

Although February carries forward the January chill, the city begins to see a slight increase in temperature. This month also witnesses a subtle hint of the approaching spring, with an increase in daylight hours. The snowfall decreases significantly, to 12mm (0.47") compared to 17mm (0.67") in previous month. Weather in February »

Weather in March

With the arrival of March, the harsh winter slowly loosens its grip over Arnhem. This month announces the beginning of spring, and overcast skies gradually give way to more hours of sunshine. Almost all snowfall ceases, with an average snowfall of just 2mm (0.08") for the entire month. Weather in March »

Weather in April

April sees a further escalation in temperature, indicating a full swing into spring. The city comes alive with cherry blossoms and tulips, celebrating the return of warmer days. A drop in average wind speed from 15.6km/h (9.7mph) to 13km/h (8.1mph) adds to the overall milder weather experience. Weather in April »

Weather in May

May offers the best of both worlds, with moderate temperatures and increased daylight hours. The city begins to stir with the approach of summer and the landscape transforms into a spectacle of lush greenery. Rainfall increases, paving the way for a vibrant ecosystem. Weather in May »

Weather in June

June ushers in the summer season in Arnhem, with temperatures rising to a pleasant range. This is balanced by longer daylight hours, providing ample opportunity to fully enjoy the city’s external offerings. This month also records the maximum UV index of 5, leading to clear, sunny days. Weather in June »

Weather in July

The climate of Arnhem in July features the warmest days of the year. Amidst balmy temperatures, city dwellers find refuge in the cool interiors of museums or the shady corners of city parks. The highest temperature reaches up to 22.6°C (72.7°F) and the lowest to 13.4°C (56.1°F). Weather in July »

Weather in August

August maintains a warm climate, akin to its predecessor, with temperatures marginally cooler. This month is the last of the peak summer months and heralds the approaching end of the season. Despite the relative humidity remaining steady at 78%, users can expect quite a warm month. Weather in August »

Weather in September

As September rolls in, a perceptible shift in the weather is noticeable, indicating the start of autumn in Arnhem. Although the transition to cooler days is gradual, a decrease in daylight and sunshine hours is obvious. Rainfall sees a decrement, recording 16mm (0.63"), down 13mm (0.51") from August. Weather in September »

Weather in October

The arrival of October brings with it a clear dip in temperature, reinforcing that autumn is in full swing. A blend of occasional sunny days and increased cloud cover creates a picturesque backdrop full of vibrant autumn colors. Weather in October »

Weather in November

As the penultimate month, November represents the beginning of winter's slow creep into Arnhem. Temperatures tumble and the city braces itself for another winter season. The number of daylight hours diminish, and the city experiences increased humidity levels. Weather in November »

Weather in December

December’s arrival confirms the start of winter in Arnhem. The average temperature plunges to 5.8°C (42.4°F), alongside an increase in cloud cover and shorter daylight hours. Snowfall returns, averaging about 13mm (0.51"), lending a festive air to the cityscape. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Arnhem?

In Arnhem, the average lowest temperatures are observed in January, with a high of 4.3°C (39.7°F) and a low of 0.8°C (33.4°F).

How much does it rain in Arnhem?

In Arnhem, during the entire year, the rain falls for 155.3 days and collects up to 290mm (11.42") of precipitation.

When does it snow in Arnhem?

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

What is the snowiest month in Arnhem?

January is the month with the most snowfall. Snow falls for 3.3 days and accumulates 17mm (0.67") of snow.

How many days does it snow in Arnhem?

Throughout the year, in Arnhem, there are 9.7 snowfall days, and 45mm (1.77") of snow is accumulated.

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

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

What is the least humid month in Arnhem?

The least humid month is April, with an average relative humidity of 75%.

When it does not snow in Arnhem?

April through October are months without snowfall in Arnhem.

When are the longest days in Arnhem?

The month with the longest days is June, with an average of 16h and 36min of daylight.

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

June and July, with an average maximum UV index of 5, are months with the highest UV index in Arnhem, Netherlands.

What is the warmest month in Arnhem?

July is the warmest month in Arnhem, Netherlands, with an average high-temperature of 22.6°C (72.7°F) and an average low-temperature of 13.4°C (56.1°F).

What is the wettest month in Arnhem?

The month with the most rainfall in Arnhem is July, when the rain falls for 17.9 days and typically aggregates up to 37mm (1.46") of precipitation.

What month has the most sunshine in Arnhem?

July has the most sunshine of the year in Arnhem, Netherlands, with an average of 8.9h of sunshine.

What is the driest month in Arnhem?

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 16mm (0.63") of precipitation.

When is Daylight Saving Time (DST) in Arnhem?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

What is the most humid month in Arnhem?

The most humid month in Arnhem is December, with an average relative humidity of 89%.

What is the month with the shortest days in Arnhem?

With an average of 7h and 48min of daylight, December has the shortest days of the year in Arnhem.

What is the month with the least sunshine in Arnhem?

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

Average temperature
Arnhem, Netherlands

Average temperature - Arnhem, Netherlands

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.3°C).

The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).

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Average pressure
Arnhem, Netherlands

Average pressure - Arnhem, Netherlands

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012mbar).

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Average wind speed
Arnhem, Netherlands

Average wind speed - Arnhem, Netherlands

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).

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Average humidity
Arnhem, Netherlands

Average humidity - Arnhem, Netherlands

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).

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Average rainfall
Arnhem, Netherlands

Average rainfall - Arnhem, Netherlands

The wettest month (with the highest rainfall) is July (37mm).
The driest month (with the least rainfall) is September (16mm).

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Average rainfall days
Arnhem, Netherlands

Average rainfall days - Arnhem, Netherlands

The month with the highest number of rainy days is July (17.9 days).
The months with the least rainy days are October and November (10 days).

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Average snowfall
Arnhem, Netherlands

Average snowfall - Arnhem, Netherlands

The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Arnhem, Netherlands

Average snowfall days - Arnhem, Netherlands

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Arnhem, Netherlands

Average daylight / Average sunshine - Arnhem, Netherlands

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days
Arnhem, Netherlands

Average sunshine days - Arnhem, Netherlands

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index
Arnhem, Netherlands

Average UV index - Arnhem, Netherlands

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

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Average visibility
Arnhem, Netherlands

Average visibility - Arnhem, Netherlands

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).

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Arnhem, Netherlands

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