Arnhem, Gelderland Weather by Month and Climate Averages

Arnhem, Gelderland gets 820 mm of precipitation a year over about 181 rainy days. July is the warmest month (average high 24°C) and January the coldest (average low 1°C).

Arnhem climate at a glance

Oceanic climate

Arnhem, Gelderland has warm summers and chilly winters. Daytime highs range from about 6°C in January to 24°C in July. July is usually the wettest month. The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.

How much rain does Arnhem get?

Arnhem gets 820 mm of precipitation in an average year, spread over about 181 days with measurable rain. That is more rainy days than 83% of Germany.

July is the wettest month, with 82 mm. April is the driest, with 44 mm. December has the most rainy days, about 19.

The longest dry spell in the last five years lasted 28 days, to June 19, 2023.

Arnhem weather by month

Arnhem weather in January

In January, Arnhem averages a high of 6°C and a low of 1°C. It gets 70 mm of precipitation over about 17 rainy days. The sun is out about 22% of daylight hours. The January record high is 15°C (2023) and the record low is -21°C (1985).

Arnhem weather in February

In February, Arnhem averages a high of 7°C and a low of 1°C. It gets 64 mm of precipitation over about 15 rainy days. The sun is out about 26% of daylight hours. The February record high is 20°C (2019) and the record low is -14°C (2012).

Arnhem weather in March

In March, Arnhem averages a high of 11°C and a low of 2°C. It gets 56 mm of precipitation over about 15 rainy days. The sun is out about 37% of daylight hours. The March record high is 26°C (2021) and the record low is -12°C (1971).

Arnhem weather in April

In April, Arnhem averages a high of 15°C and a low of 4°C. It gets 44 mm of precipitation over about 12 rainy days. The sun is out about 39% of daylight hours. The April record high is 30°C (2007) and the record low is -6°C (1986).

Arnhem weather in May

In May, Arnhem averages a high of 19°C and a low of 8°C. It gets 62 mm of precipitation over about 14 rainy days. The sun is out about 36% of daylight hours. The May record high is 33°C (2026) and the record low is -1°C (2021). May is one of the most comfortable months to visit.

Arnhem weather in June

In June, Arnhem averages a high of 22°C and a low of 11°C. It gets 70 mm of precipitation over about 14 rainy days. The sun is out about 40% of daylight hours. The June record high is 38°C (2026) and the record low is 1°C (1975). June is one of the most comfortable months to visit.

Arnhem weather in July

In July, Arnhem averages a high of 24°C and a low of 13°C. It gets 82 mm of precipitation over about 14 rainy days. The sun is out about 34% of daylight hours. The July record high is 41°C (2019) and the record low is 5°C (1984).

Arnhem weather in August

In August, Arnhem averages a high of 24°C and a low of 13°C. It gets 82 mm of precipitation over about 14 rainy days. The sun is out about 39% of daylight hours. The August record high is 37°C (2013) and the record low is 4°C (1973). August is one of the most comfortable months to visit.

Arnhem weather in September

In September, Arnhem averages a high of 20°C and a low of 10°C. It gets 68 mm of precipitation over about 14 rainy days. The sun is out about 38% of daylight hours. The September record high is 33°C (2013) and the record low is 1°C (2018). September is one of the most comfortable months to visit.

Arnhem weather in October

In October, Arnhem averages a high of 15°C and a low of 7°C. It gets 71 mm of precipitation over about 16 rainy days. The sun is out about 26% of daylight hours. The October record high is 28°C (2018) and the record low is -5°C (1997).

Arnhem weather in November

In November, Arnhem averages a high of 9°C and a low of 3°C. It gets 71 mm of precipitation over about 17 rainy days. The sun is out about 26% of daylight hours. The November record high is 20°C (2014) and the record low is -8°C (1998).

Arnhem weather in December

In December, Arnhem averages a high of 6°C and a low of 1°C. It gets 80 mm of precipitation over about 19 rainy days. The sun is out about 16% of daylight hours. The December record high is 17°C (2022) and the record low is -16°C (1978).

Sunshine, humidity and wind in Arnhem

June is the sunniest month in Arnhem, with sunshine about 40% of daylight hours. December is the cloudiest, at 16%. Over the year the sun shines about 32% of daylight hours. Arnhem is cloudier than 54% of Germany.

Humidity peaks in December at 90% and is lowest in June at 67%.

Arnhem has about 4 days a year above 32°C. Arnhem is hotter than 51% of Germany.

First and last freeze in Arnhem

The first fall freeze in Arnhem typically comes around November 6, and the last spring freeze around April 19. That leaves a frost-free growing season of about 201 days.

Arnhem weather records

The hottest temperature on record at the Arnhem station is 41°C, on July 25, 2019. The coldest is -21°C, on January 8, 1985.

The wettest day on record brought 82 mm of rain, on May 29, 2018.

45 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Arnhem

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.

Winter (December–February) is chilly, with average highs around 6°C and lows near 1°C.

Spring (March–May) is mild, with average highs around 15°C and lows near 5°C.

Summer (June–August) is warm, with average highs around 23°C and lows near 12°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 15°C and lows near 7°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January70 mm1787%22%15°-21°
February64 mm1582%26%20°-14°
March56 mm1574%37%26°-12°
April44 mm1268%39%30°-6°
May62 mm1470%36%33°-1°
June70 mm1467%40%38°
July82 mm1473%34%41°
August82 mm1474%39%37°
September68 mm1478%38%33°
October71 mm1686%26%28°-5°
November71 mm1788%26%20°-8°
December80 mm1990%16%17°-16°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Arnhem climate questions

How much rain does Arnhem get?

Arnhem gets 820 mm of precipitation in an average year, over about 181 rainy days.

What is the wettest month in Arnhem?

July is the wettest month in Arnhem, with 82 mm. April is the driest, with 44 mm.

How many rainy days does Arnhem have a year?

Arnhem has about 181 days with measurable rain in an average year. December has the most, about 19.

What is the hottest month in Arnhem?

July is the warmest month in Arnhem, with an average high of 24°C.

What is the coldest month in Arnhem?

January is the coldest month in Arnhem, with an average low of 1°C.

What is the record high temperature in Arnhem?

The record high at the Arnhem station is 41°C, set on July 25, 2019. The record low is -21°C, on January 8, 1985.

What is the sunniest month in Arnhem?

June is the sunniest month in Arnhem, with sunshine about 40% of daylight hours. December is the cloudiest.

When is the first frost in Arnhem?

The first fall freeze in Arnhem typically comes around November 6. The last spring freeze is around April 19.

What is the best time to visit Arnhem?

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.

Source: NOAA GHCN-Daily station KLEVE (27 km away).

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Normals from NOAA GHCN-Daily station KLEVE.