December weather forecastAltforst, Netherlands
December
Weather in December
The first month of the winter, December, is still a cold month in Altforst, Netherlands, with an average temperature varying between 2.5°C (36.5°F) and 5.9°C (42.6°F).Temperature
As Altforst enters December, the average high-temperature subtly lowers from the a chilly 9.2°C (48.6°F) of November to a cold 5.9°C (42.6°F). The temperature in Altforst during December nights demonstrates a small drop from the daytime highs, settling to an average of 2.5°C (36.5°F).Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
In Altforst, in December, it is raining for 18 days, with typically 51mm (2.01") of accumulated precipitation. In Altforst, during the entire year, the rain falls for 203.8 days and collects up to 547mm (21.54") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Altforst, in December, during 3.1 snowfall days, 25mm (0.98") of snow is typically accumulated. Throughout the year, in Altforst, there are 12.8 snowfall days, and 94mm (3.7") of snow is accumulated.Daylight
The month with the shortest days in Altforst is December, with an average of 7h and 54min of daylight.On the first day of December in Altforst, Netherlands, sunrise is at 08:23 and sunset at 16:30. On the last day of the month, sunrise is at 08:44 and sunset at 16:36 CET.
Sunshine
December has the least sunshine of the year in Altforst, with an average of 3.4h of sunshine.UV index
The months with the lowest UV index in Altforst are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altforst, Netherlands
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 2.5°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 (1.2°C).
Average pressure in December
Altforst, Netherlands
- Average pressure in December: 1015.3mbar
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 December
Altforst, Netherlands
- 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 (11.5km/h).
Average humidity in December
Altforst, Netherlands
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Altforst, Netherlands
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Altforst, Netherlands
- Average rainfall days in December: 18 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is April (14.3 days).
Average snowfall in December
Altforst, Netherlands
- Average snowfall in December: 25mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Altforst, Netherlands
- Average snowfall days in December: 3.1 days
The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Altforst, Netherlands
- Average daylight in December: 7h and 54min
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 54min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Altforst, Netherlands
- Average sunshine days in December: 9 days
The month with the most sunshine days is April (13.2 days).
The months with the least sunshine days are June and August (8.3 days).
Average UV index in December
Altforst, Netherlands
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Altforst, Netherlands
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Altforst, Netherlands
- Average visibility in December: 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).





