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
December
Weather in December
Temperature
The shift from November to December coincides with a small decrease in the average high-temperature, down to a cold 5.5°C (41.9°F) from a chilly 8.6°C (47.5°F). Night temperatures in December exhibit a subtle decrease, settling at an average of 1.8°C (35.2°F).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
In Westerlee, during December, the rain falls for 16.1 days and regularly aggregates up to 27mm (1.06") of precipitation. In Westerlee, Netherlands, during the entire year, the rain falls for 175.1 days and collects up to 369mm (14.53") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Westerlee, in December, during 2.6 snowfall days, 23mm (0.91") of snow is typically accumulated. In Westerlee, Netherlands, during the entire year, snow falls for 13.1 days and aggregates up to 80mm (3.15") of snow.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:23 and sunset at 16:18. On the last day of the month, sunrise is at 08:46 and sunset at 16:24 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Westerlee in December?
What is the most humid month in Westerlee?
What is the average humidity in December in Westerlee?
How many days does it rain in December in Westerlee?
How many days does it snow in December in Westerlee?
What is the month with the shortest days in Westerlee?
What is the average length of the day in December in Westerlee?
When are sunrise and sunset in December in Westerlee?
What is the month with the least sunshine in Westerlee?
How long on average sun shines in December in Westerlee?
When is the lowest UV index in Westerlee?
What is the UV index intensity in December in Westerlee?
Average temperature in December
Westerlee, Netherlands
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in December: 1.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in December
Westerlee, Netherlands
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in December
Westerlee, Netherlands
- Average wind speed in December: 19km/h
The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Westerlee, Netherlands
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Westerlee, Netherlands
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Westerlee, Netherlands
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in December
Westerlee, Netherlands
- Average snowfall in December: 23mm
The months with the highest snowfall are January and February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Westerlee, Netherlands
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (4.4 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
Westerlee, Netherlands
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Westerlee, Netherlands
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Westerlee, Netherlands
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Westerlee, Netherlands
- Average cloud cover in December: 70
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 45).
Average visibility in December
Westerlee, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).
