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
Heyen's December weather shows a modest shift in high-temperatures, falling from November's chilly 8°C (46.4°F) to an icy 4.6°C (40.3°F). In Heyen, a slight decrease from the daytime peak is noted during the month of December, with an average low-temperature of 0.8°C (33.4°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months.Rainfall
In Heyen, Germany, in December, during 16 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 182.8 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
Months with snowfall in Heyen are January through April, November and December. In Heyen, in December, during 6 snowfall days, 45mm (1.77") of snow is typically accumulated. Throughout the year, there are 27.2 snowfall days, and 176mm (6.93") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of December in Heyen, sunrise is at 08:08 and sunset at 16:14. On the last day of the month, sunrise is at 08:30 and sunset at 16:20 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.1h of sunshine.UV index
January through March, 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 unsafe exposure to UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Heyen in December?
What is the most humid month in Heyen?
What is the average humidity in December in Heyen?
How many days does it rain in December in Heyen?
How much does it snow in Heyen in December?
What is the month with the shortest days in Heyen?
How many hours of daylight does Heyen have in December?
When is the sunrise / sunset in December in Heyen?
What is the month with the least sunshine in Heyen?
How long on average sun shines in December in Heyen?
What are the months with the lowest UV index in Heyen?
How high is the UV index in December in Heyen?
Average temperature in December
Heyen, Germany
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in December
Heyen, Germany
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in December
Heyen, Germany
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Heyen, Germany
- 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 (72%).
Average rainfall in December
Heyen, Germany
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Heyen, Germany
- 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 (11.2 days).
Average snowfall in December
Heyen, Germany
- Average snowfall in December: 45mm
The month with the highest snowfall is January (51mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Heyen, Germany
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (8 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
Heyen, Germany
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Heyen, Germany
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in December
Heyen, Germany
- 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, March, November and December (UV index 2).
Average cloud cover in December
Heyen, Germany
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Heyen, Germany
- Average visibility in December: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (8km).
Heyen, Germany
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