January weather forecast
Arnhem, Netherlands

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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. This month holds the record for the highest relative humidity, reaching up to 88%. As the first month of the year, January sets a cozy tone for the city, making it a beautiful winter destination.

Temperature

In Arnhem, Netherlands, the lowest average 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).

Humidity

The average relative humidity in January in Arnhem is 88%.

Rainfall

In Arnhem, Netherlands, during January, the rain falls for 12 days and regularly aggregates up to 20mm (0.79") of precipitation. In Arnhem, during the entire year, the rain falls for 155.3 days and collects up to 290mm (11.42") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Arnhem. January is the month with the most snowfall in Arnhem. Snow falls for 3.3 days and accumulates 17mm (0.67") of snow.

Daylight

The average length of the day in January in Arnhem, Netherlands, is 8h and 23min.
On the first day of the month, sunrise is at 08:44 and sunset at 16:35. On the last day of January, sunrise is at 08:18 and sunset at 17:21 CET.

Sunshine

In January, the average sunshine in Arnhem is 3.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Arnhem. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

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 cold is January in Arnhem?

January temperatures vary between a high-temperature of 4.3°C (39.7°F) and a low-temperature of 0.8°C (33.4°F).

What is the average humidity in January in Arnhem?

In Arnhem, the average relative humidity in January is 88%.

How many days does it rain in January in Arnhem?

In Arnhem, Netherlands, in January, during 12 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

What is the snowiest month in Arnhem?

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

How much does it snow in Arnhem in January?

In Arnhem, Netherlands, during January, snow falls for 3.3 days and regularly aggregates up to 17mm (0.67") of snow.

What is the average length of the day in January in Arnhem?

In Arnhem, the average day length in January is 8h and 23min.

When is the sunrise / sunset in January in Arnhem?

On the first day of January in Arnhem, sunrise is at 08:44 and sunset at 16:35. On the last day of the month, sunrise is at 08:18 and sunset at 17:21 CET.

How long on average sun shines in January in Arnhem?

In January, the average sunshine duration in Arnhem, Netherlands, is 3.7h.

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 UV index reading in January in Arnhem?

The average daily maximum UV index in January in Arnhem is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Arnhem, Netherlands

Average temperature in January - Arnhem, Netherlands
  • Average high temperature in January: 4.3°C

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).

  • Average low temperature in January: 0.8°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 in January
Arnhem, Netherlands

Average pressure in January - Arnhem, Netherlands
  • Average pressure in January: 1015.2mbar

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

Average wind speed in January
Arnhem, Netherlands

Average wind speed in January - Arnhem, Netherlands
  • Average wind speed in January: 17.1km/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 in January
Arnhem, Netherlands

Average humidity in January - Arnhem, Netherlands
  • Average humidity in January: 88%

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

Average rainfall in January
Arnhem, Netherlands

Average rainfall in January - Arnhem, Netherlands
  • Average rainfall in January: 20mm

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

Average rainfall days in January
Arnhem, Netherlands

Average rainfall days in January - Arnhem, Netherlands
  • Average rainfall days in January: 12 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 in January
Arnhem, Netherlands

Average snowfall in January - Arnhem, Netherlands
  • Average snowfall in January: 17mm

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 in January
Arnhem, Netherlands

Average snowfall days in January - Arnhem, Netherlands
  • Average snowfall days in January: 3.3 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 in January /
Average sunshine in January
Arnhem, Netherlands

Average daylight in January / Average sunshine in January - Arnhem, Netherlands
  • Average daylight in January: 8h and 2min

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 4min

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 in January
Arnhem, Netherlands

Average sunshine days in January - Arnhem, Netherlands
  • Average sunshine days in January: 14.3 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 in January
Arnhem, Netherlands

Average UV index in January - Arnhem, Netherlands
  • Average UV index in January: 2

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 in January
Arnhem, Netherlands

Average cloud cover in January - Arnhem, Netherlands
  • Average cloud cover in January: 64

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 in January
Arnhem, Netherlands

Average visibility in January - Arnhem, Netherlands
  • Average visibility in January: 9km

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).

Arnhem, Netherlands

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