December weather forecastWestzaan, Netherlands

December

Weather in December

December, the first month of the winter in Westzaan, is also a frosty month, with temperature in the range of an average low of 4.6°C (40.3°F) and an average high of 7.2°C (45°F).

Temperature

The introduction of December sees an average high-temperature of a still chilly 7.2°C (45°F), hardly deviating from November. Westzaan's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at an icy 4.6°C (40.3°F).

Humidity

The months with the highest humidity in Westzaan are January and December, with an average relative humidity of 84%.

Rainfall

In Westzaan, in December, it is raining for 17.5 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, in Westzaan, there are 175.8 rainfall days, and 509mm (20.04") of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows in Westzaan. Throughout December, in the average 1.8 snowfall days, it receives 8mm (0.31") of snow. In Westzaan, during the entire year, snow falls for 8 days and aggregates up to 33mm (1.3") of snow.

Daylight

The month with the shortest days in Westzaan, Netherlands, is December, with an average of 7h and 48min of daylight.
On the first day of the month, sunrise is at 08:29 and sunset at 16:30. On the last day of December, sunrise is at 08:51 and sunset at 16:36 CET.

Sunshine

December has the least sunshine of the year in Westzaan, with an average of 3.5h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

In December, in Westzaan, the average high-temperature is 7.2°C (45°F), and the average low-temperature is 4.6°C (40.3°F).

The months with the highest humidity in Westzaan, Netherlands, are January and December, with an average relative humidity of 84%.

In Westzaan, Netherlands, the average relative humidity in December is 84%.

In Westzaan, Netherlands, in December, during 17.5 rainfall days, 52mm (2.05") of precipitation is typically accumulated.

December is the first month it typically snows in Westzaan, Netherlands. Throughout December, in the average 1.8 snowfall days, it receives 8mm (0.31") of snow.

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

In Westzaan, Netherlands, the average day length in December is 7h and 46min.

In December, on the first day of the month, sunrise is at 08:29 and sunset at 16:30. On the last day of the month, in Westzaan, sunrise is at 08:51 and sunset at 16:36 CET.

With an average of 3.5h of sunshine, December has the least sunshine of the year in Westzaan.

The average sunshine duration in December in Westzaan, Netherlands, is 3.5h.

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

In Westzaan, Netherlands, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Westzaan, Netherlands

  • Average high temperature in December: 7.2°C

The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in December: 4.6°C

The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).

Average pressure in December
Westzaan, Netherlands

  • Average pressure in December: 1014mbar

The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

Average wind speed in December
Westzaan, Netherlands

  • Average wind speed in December: 24km/h

The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).

Average humidity in December
Westzaan, Netherlands

  • Average humidity in December: 84%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Westzaan, Netherlands

  • Average rainfall in December: 52mm

The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December
Westzaan, Netherlands

  • Average rainfall days in December: 17.5 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in December
Westzaan, Netherlands

  • Average snowfall in December: 8mm

The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Westzaan, Netherlands

  • Average snowfall days in December: 1.8 days

The months with the highest number of snowfall days are January and February (2.6 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
Westzaan, 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 0min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in December
Westzaan, Netherlands

  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is December (10.5 days).

Average UV index in December
Westzaan, 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
Westzaan, 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 39).

Average visibility in December
Westzaan, Netherlands

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).