December weather forecastSassenheim, Netherlands
December
Weather in December
The first month of the winter, December, is also a frosty month in Sassenheim, Netherlands, with an average temperature ranging between min 4.9°C (40.8°F) and max 7.5°C (45.5°F).Temperature
Sassenheim, Netherlands, experiences a recorded average high-temperature of a chilly 7.5°C (45.5°F) in December, closely aligned with November's 10.3°C (50.5°F). The temperature during December sees a subtle transition from day to night, averaging a low of 4.9°C (40.8°F).Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Sassenheim, during December, the rain falls for 18 days and regularly aggregates up to 42mm (1.65") of precipitation. In Sassenheim, during the entire year, the rain falls for 183.4 days and collects up to 400mm (15.75") of precipitation.Snowfall
January through March, November and December are months with snowfall in Sassenheim, Netherlands. In Sassenheim, in December, snow falls for 1.9 days, with typically accumulated 8mm (0.31") of snow. Throughout the year, in Sassenheim, there are 9.5 snowfall days, and 46mm (1.81") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of December in Sassenheim, Netherlands, sunrise is at 08:29 and sunset at 16:33. On the last day of the month, sunrise is at 08:51 and sunset at 16:39 CET.
Sunshine
With an average of 3.5h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Sassenheim are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sassenheim, Netherlands
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 4.9°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Sassenheim, Netherlands
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in December
Sassenheim, Netherlands
- Average wind speed in December: 24.7km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).
Average humidity in December
Sassenheim, Netherlands
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in December
Sassenheim, Netherlands
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Sassenheim, Netherlands
- Average rainfall days in December: 18 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in December
Sassenheim, Netherlands
- Average snowfall in December: 8mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sassenheim, Netherlands
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is 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
Sassenheim, 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: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Sassenheim, Netherlands
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in December
Sassenheim, 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
Sassenheim, 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 38).
Average visibility in December
Sassenheim, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).





