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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a frosty 8.7°C (47.7°F) in November to a wintry 5.2°C (41.4°F). Bioul experiences a steady nighttime temperature of 1.3°C (34.3°F) throughout the month of December.Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall in Bioul. Rain falls for 16 days and accumulates 71mm (2.8") of precipitation.Snowfall
January through April, October through December are months with snowfall in Bioul. In Bioul, in December, during 5.8 snowfall days, 65mm (2.56") of snow is typically accumulated. In Bioul, during the entire year, snow falls for 27.2 days and aggregates up to 247mm (9.72") of snow.Daylight
December has the shortest days of the year in Bioul, Belgium, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:19 and sunset at 16:40. On the last day of the month, sunrise is at 08:40 and sunset at 16:47 CET.
Sunshine
January and December, with an average of 3.4h of sunshine, are months with the least sunshine in Bioul.UV index
The months with the lowest UV index in Bioul, Belgium, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold does it get in Bioul in December?
What is the most humid month in Bioul?
What is the average humidity in December in Bioul?
What is the rainiest month in Bioul?
How many days does it rain in December in Bioul?
How many days does it snow in December in Bioul?
What is the month with the shortest days in Bioul?
What is the average length of the day in December in Bioul?
When is the sunrise / sunset in December in Bioul?
What are the months with the least sunshine in Bioul?
How many hours of sunshine does Bioul have in December?
When is the lowest UV index in Bioul?
How high is the UV index in December in Bioul?
Average temperature in December
Bioul, Belgium
- Average high temperature in December: 5.2°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in December
Bioul, Belgium
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Bioul, Belgium
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is December (17.4km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Bioul, Belgium
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in December
Bioul, Belgium
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Bioul, Belgium
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in December
Bioul, Belgium
- Average snowfall in December: 65mm
The month with the highest snowfall is January (68mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Bioul, Belgium
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bioul, 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 6min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in December
Bioul, Belgium
- Average sunshine days in December: 9.4 days
The months with the most sunshine days are April and October (13.4 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in December
Bioul, 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, March, November and December (UV index 2).
Average cloud cover in December
Bioul, 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 43).
Average visibility in December
Bioul, 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).
Bioul, Belgium
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