December weather forecastSaint-Ghislain, Belgium
December
Weather in December
December, the first month of the winter in Saint-Ghislain, is also a frosty month, with an average temperature varying between 6.2°C (43.2°F) and 2.2°C (36°F).Temperature
Saint-Ghislain's progression into December involves a minor drop in the average high-temperature, slightly receding from 9.5°C (49.1°F) in November to a still chilly 6.2°C (43.2°F). Saint-Ghislain's December nights exhibit a subtle drop in temperature, averaging at an icy 2.2°C (36°F), closely aligned with the daytime highs.Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.4 days and typically aggregates up to 60mm (2.36") of precipitation.Snowfall
January through March, October through December are months with snowfall. In December, in Saint-Ghislain, Belgium, it is snowing for 2.5 days. Throughout December, 20mm (0.79") of snow is accumulated. In Saint-Ghislain, during the entire year, snow falls for 10.3 days and aggregates up to 87mm (3.43") of snow.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year in Saint-Ghislain.On the first day of the month, sunrise is at 08:23 and sunset at 16:43. On the last day of December, in Saint-Ghislain, sunrise is at 08:45 and sunset at 16:50 CET.
Sunshine
The months with the least sunshine are January and 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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Ghislain, Belgium
- Average high temperature in December: 6.2°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in December: 2.2°C
The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in December
Saint-Ghislain, Belgium
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Saint-Ghislain, Belgium
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Saint-Ghislain, Belgium
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Saint-Ghislain, Belgium
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Saint-Ghislain, Belgium
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is March (12.8 days).
Average snowfall in December
Saint-Ghislain, Belgium
- Average snowfall in December: 20mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Saint-Ghislain, Belgium
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.3 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
Saint-Ghislain, Belgium
- Average daylight in December: 8h and 6min
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 42min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Saint-Ghislain, Belgium
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Saint-Ghislain, 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
Saint-Ghislain, Belgium
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in December
Saint-Ghislain, Belgium
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
