Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
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
What is the average December temperature in Westzaan?
What are the most humid months in Westzaan?
What is the average humidity in December in Westzaan?
How much does it rain in Westzaan in December?
When does it start to snow in Westzaan?
What is the month with the shortest days in Westzaan?
How many hours of daylight does Westzaan have in December?
When are sunrise and sunset in December in Westzaan?
What is the month with the least sunshine in Westzaan?
How long on average sun shines in December in Westzaan?
What are the months with the lowest UV index in Westzaan?
What is the UV index reading in December in Westzaan?
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 5min
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 3min
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).
Westzaan, Netherlands
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