December weather forecastHeron, Belgium
December
Weather in December
The first month of the winter, December, is also an icy month in Heron, Belgium, with an average temperature fluctuating between 5.6°C (42.1°F) and 1.6°C (34.9°F).Temperature
In the transition to December, Heron observes a minor drop in the average high-temperature, shifting from a chilly 9°C (48.2°F) in November to a cold 5.6°C (42.1°F). Heron documents an average low-temperature of 1.6°C (34.9°F) for the nights of December.Humidity
The months with the highest humidity in Heron are January and December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall in Heron. Rain falls for 15.9 days and accumulates 56mm (2.2") of precipitation.Snowfall
January through March, November and December are months with snowfall in Heron, Belgium. In Heron, in December, snow falls for 2.7 days, with typically accumulated 24mm (0.94") of snow. Throughout the year, there are 13.7 snowfall days, and 108mm (4.25") 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 the month, sunrise is at 08:19 and sunset at 16:38. On the last day of December, sunrise is at 08:40 and sunset at 16:45 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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Enhance your sun protection with tightly woven, yet airy clothing. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heron, Belgium
- Average high temperature in December: 5.6°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: 1.6°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in December
Heron, Belgium
- Average pressure in December: 1016.9mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in December
Heron, Belgium
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Heron, Belgium
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Heron, Belgium
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Heron, Belgium
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (12 days).
Average snowfall in December
Heron, Belgium
- Average snowfall in December: 24mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heron, Belgium
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (4.5 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
Heron, 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 18min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Heron, Belgium
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Heron, 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
Heron, Belgium
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Heron, Belgium
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are January, September, November and December (8km).
