Climate and monthly weather forecastArnhem, Netherlands
Climate and monthly weather forecast
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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Arnhem, Netherlands
- Average pressure in January:
1015.2mbar - Average pressure in February:
1014.6mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1016mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1016.1mbar
- Average pressure in July:
1015.4mbar - Average pressure in August:
1015.3mbar - Average pressure in September:
1017.1mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1012mbar - Average pressure in December:
1015mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed
Arnhem, Netherlands
- Average wind speed in January:
17.1km/h - Average wind speed in February:
17.4km/h - Average wind speed in March:
15.6km/h - Average wind speed in April:
13km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
12.3km/h
- Average wind speed in July:
11.7km/h - Average wind speed in August:
11.6km/h - Average wind speed in September:
11.8km/h - Average wind speed in October:
13.8km/h - Average wind speed in November:
15.4km/h - Average wind speed in December:
17.6km/h
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).
Average humidity
Arnhem, Netherlands
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Arnhem, Netherlands
The wettest month (with the highest rainfall) is July (37mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days
Arnhem, Netherlands
- Average rainfall days in January:
12 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
10 days - Average rainfall days in November:
10 days - Average rainfall days in December:
11.7 days
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).
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).
Average snowfall days
Arnhem, Netherlands
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
2.1 days
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).
Average daylight / Average sunshine
Arnhem, Netherlands
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 48min
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).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 36min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
8h and 42min - Average sunshine in September:
7h and 12min - Average sunshine in October:
4h and 54min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 24min
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).
Average sunshine days
Arnhem, Netherlands
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (9.8 days).
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).
Average cloud cover
Arnhem, Netherlands
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 43).
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).





