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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a fresh 10°C (50°F) in November to a chilly 6.5°C (43.7°F). In Heidam, the nighttime temperature in December descends gently to an average of 3°C (37.4°F).Humidity
The most humid month in Heidam is December, with an average relative humidity of 87%.Rainfall
The month with the most rainfall is December, when the rain falls for 18.7 days and typically aggregates up to 57mm (2.24") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Heidam, in December, during 2.4 snowfall days, 25mm (0.98") of snow is typically accumulated. Throughout the year, in Heidam, there are 12.5 snowfall days, and 98mm (3.86") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 08:25 and sunset at 16:38. On the last day of December, in Heidam, Belgium, sunrise is at 08:46 and sunset at 16:44 CET.
Sunshine
With an average of 3.7h of sunshine, December has the least sunshine of the year in Heidam.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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Heidam?
What is the most humid month in Heidam?
What is the average humidity in December in Heidam?
What is the wettest month in Heidam?
How many days does it rain in December in Heidam?
How much does it snow in Heidam in December?
What is the month with the shortest days in Heidam?
What is the average length of the day in December in Heidam?
When are sunrise and sunset in December in Heidam?
What is the month with the least sunshine in Heidam?
How many hours of sunshine does Heidam have in December?
What is the month with the lowest UV index in Heidam?
What is the UV index intensity in December in Heidam?
Average temperature in December
Heidam, Belgium
- Average high temperature in December: 6.5°C
The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).
Average pressure in December
Heidam, Belgium
- Average pressure in December: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Heidam, Belgium
- Average wind speed in December: 17.2km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in December
Heidam, Belgium
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Heidam, Belgium
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Heidam, Belgium
- Average rainfall days in December: 18.7 days
The month with the highest number of rainy days is December (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in December
Heidam, Belgium
- Average snowfall in December: 25mm
The months with the highest snowfall are January and February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heidam, Belgium
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.3 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
Heidam, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Heidam, Belgium
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is December (8.2 days).
Average UV index in December
Heidam, 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
Heidam, Belgium
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Heidam, 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).
