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.

Frequently asked questions

The average high-temperature and low-temperature in Sassenheim during December are 7.5°C (45.5°F) and 4.9°C (40.8°F) respectively.

The months with the highest humidity in Sassenheim are January and December, with an average relative humidity of 83%.

In December, the average relative humidity in Sassenheim is 83%.

In Sassenheim, in December, it is raining for 18 days, with typically 42mm (1.65") of accumulated precipitation.

In December, it is snowing for 1.9 days. Throughout December, 8mm (0.31") of snow is accumulated.

With an average of 7h and 48min of daylight, December has the shortest days of the year.

In December, the average day length in Sassenheim is 7h and 49min.

In December, on the first day of the month, 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.

The month with the least sunshine is December, with an average of 3.5h of sunshine.

In December, the average sunshine duration is 3.5h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In Sassenheim, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).