December weather forecastSluipwijk, Netherlands
December
Weather in December
December, the first month of the winter in Sluipwijk, is still a chilly month, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 7.2°C (45°F).Temperature
The average high-temperature during December is a frosty 7.2°C (45°F), almost matching the conditions of the preceding month. December nighttime temperatures hover close to the daytime peak with an average of 4.2°C (39.6°F).Humidity
The most humid month in Sluipwijk is December, with an average relative humidity of 85%.Rainfall
In Sluipwijk, Netherlands, in December, it is raining for 11 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, there are 130.3 rainfall days, and 205mm (8.07") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Sluipwijk, during December, snow falls for 1.9 days and regularly aggregates up to 7mm (0.28") of snow. In Sluipwijk, during the entire year, snow falls for 7.4 days and aggregates up to 36mm (1.42") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 08:27 and sunset at 16:33. On the last day of the month, sunrise is at 08:49 and sunset at 16:39 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index in Sluipwijk 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: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sluipwijk, Netherlands
- Average high temperature in December: 7.2°C
The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in December
Sluipwijk, Netherlands
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in December
Sluipwijk, Netherlands
- Average wind speed in December: 20.2km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in December
Sluipwijk, Netherlands
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Sluipwijk, Netherlands
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in December
Sluipwijk, Netherlands
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Sluipwijk, Netherlands
- Average snowfall in December: 7mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sluipwijk, Netherlands
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (2.2 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
Sluipwijk, Netherlands
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Sluipwijk, Netherlands
- Average sunshine days in December: 15 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Sluipwijk, 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
Sluipwijk, Netherlands
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Sluipwijk, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are April, May, June and August (10km).
The months with the lowest visibility are January, February, March, July, September, October, November and December (9km).





