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 transition from November to December sees average high-temperatures adjusting to a still frosty 7.2°C (45°F), from a not significantly different 9.9°C (49.8°F). In December, West-Knollendam temperatures settle at a low of 4.6°C (40.3°F) during the nights, reflecting a minor change from daytime highs.Humidity
January and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In West-Knollendam, Netherlands, during December, the rain falls for 17.5 days and regularly aggregates up to 52mm (2.05") of precipitation. In West-Knollendam, Netherlands, during the entire year, the rain falls for 176 days and collects up to 512mm (20.16") of precipitation.Snowfall
Months with snowfall in West-Knollendam are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.8 snowfall days, it receives 8mm (0.31") of snow. Throughout the year, in West-Knollendam, there are 8 snowfall days, and 33mm (1.3") of snow is accumulated.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in West-Knollendam.On the first day of December, sunrise is at 08:29 and sunset at 16:30. On the last day of the month, sunrise is at 08:51 and sunset at 16:36 CET.
Sunshine
With an average of 3.3h of sunshine, December has the least sunshine of the year in West-Knollendam.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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the temperature in December in West-Knollendam?
What are the most humid months in West-Knollendam?
What is the average humidity in December in West-Knollendam?
How much does it rain in West-Knollendam in December?
When does it start to snow in West-Knollendam?
What is the month with the shortest days in West-Knollendam?
What is the average length of the day in December in West-Knollendam?
When are sunrise and sunset in December in West-Knollendam?
What is the month with the least sunshine in West-Knollendam?
How many hours of sunshine does West-Knollendam have in December?
What are the months with the lowest UV index in West-Knollendam?
What is the UV index reading in December in West-Knollendam?
Average temperature in December
West-Knollendam, 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
West-Knollendam, Netherlands
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in December
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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 2min
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 18min).
Average sunshine days in December
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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
West-Knollendam, 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).
West-Knollendam, Netherlands
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