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 average high-temperature slightly decreases in December, shifting from a frosty 8.5°C (47.3°F) in November to an icy 5.2°C (41.4°F). Willerzie registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 1.2°C (34.2°F) during December.Humidity
The most humid month is December, with an average relative humidity of 92%.Rainfall
December is the month with the most rainfall in Willerzie. Rain falls for 18.4 days and accumulates 80mm (3.15") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Willerzie, in December, during 3.8 snowfall days, 39mm (1.54") of snow is typically accumulated. In Willerzie, during the entire year, snow falls for 16.5 days and aggregates up to 171mm (6.73") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 08:17 and sunset at 16:41. On the last day of the month, sunrise is at 08:38 and sunset at 16:48 CET.
Sunshine
With an average of 3.3h of sunshine, December has the least sunshine of the year.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: The maximum UV index of 2 during December leads to these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Willerzie?
What is the most humid month in Willerzie?
What is the average humidity in December in Willerzie?
What is the rainiest month in Willerzie?
How much does it rain in Willerzie in December?
How many days does it snow in December in Willerzie?
What is the month with the shortest days in Willerzie?
What is the average length of the day in December in Willerzie?
When is the sunrise / sunset in December in Willerzie?
What is the month with the least sunshine in Willerzie?
How many hours of sunshine does Willerzie have in December?
What is the month with the lowest UV index in Willerzie?
What is the UV index reading in December in Willerzie?
Average temperature in December
Willerzie, Belgium
- Average high temperature in December: 5.2°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in December
Willerzie, Belgium
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Willerzie, Belgium
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Willerzie, Belgium
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Willerzie, Belgium
- Average rainfall in December: 80mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in December
Willerzie, Belgium
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in December
Willerzie, Belgium
- Average snowfall in December: 39mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Willerzie, Belgium
- Average snowfall days in December: 3.8 days
The months with the highest number of snowfall days are January and February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Willerzie, Belgium
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Willerzie, Belgium
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in December
Willerzie, Belgium
- 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
Willerzie, Belgium
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Willerzie, Belgium
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
