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
Lettelingen records a mild change in average high-temperature during December, easing from 9.7°C (49.5°F) in November to a still chilly 6.4°C (43.5°F). Lettelingen, in December, logs an average low-temperature of 2.3°C (36.1°F), a subtle step down from daytime readings.Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.4 days and typically aggregates up to 65mm (2.56") of precipitation.Snowfall
Months with snowfall are January through March, October through December. In December, it is snowing for 3 days. Throughout December, 19mm (0.75") of snow is accumulated. Throughout the year, there are 14.5 snowfall days, and 110mm (4.33") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:24 and sunset at 16:41. On the last day of the month, sunrise is at 08:45 and sunset at 16:48 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.7h 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 minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lettelingen, Belgium
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.3°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 (1°C).
Average pressure in December
Lettelingen, Belgium
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Lettelingen, Belgium
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Lettelingen, Belgium
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Lettelingen, Belgium
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in December
Lettelingen, Belgium
- Average rainfall days in December: 17.4 days
The month with the highest number of rainy days is December (17.4 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in December
Lettelingen, Belgium
- Average snowfall in December: 19mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Lettelingen, Belgium
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is 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
Lettelingen, Belgium
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Lettelingen, Belgium
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Lettelingen, Belgium
- 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
Lettelingen, Belgium
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Lettelingen, Belgium
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
