December weather forecastHeisdorf, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Heisdorf, Germany, with an average temperature fluctuating between 3.9°C (39°F) and -0.3°C (31.5°F).Temperature
In Heisdorf, the average high-temperature in December slightly decreases from a chilly 7.3°C (45.1°F) in November to a cold 3.9°C (39°F). Heisdorf maintains an average of approximately a freezing cold -0.3°C (31.5°F) during December nights, with only a minimal decrease from the daytime temperature.Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months.Rainfall
December is the month with the most rainfall in Heisdorf. Rain falls for 13.3 days and accumulates 66mm (2.6") of precipitation.Snowfall
Months with snowfall in Heisdorf are January through May, October through December. In Heisdorf, in December, during 7.3 snowfall days, 88mm (3.46") of snow is typically accumulated. In Heisdorf, during the entire year, snow falls for 39.8 days and aggregates up to 371mm (14.61") of snow.Daylight
The month with the shortest days in Heisdorf is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:12 and sunset at 16:34. On the last day of December, sunrise is at 08:33 and sunset at 16:41 CET.
Sunshine
With an average of 2.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heisdorf, Germany
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -0.3°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in December
Heisdorf, Germany
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Heisdorf, Germany
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Heisdorf, Germany
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Heisdorf, Germany
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Heisdorf, Germany
- Average rainfall days in December: 13.3 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
Heisdorf, Germany
- Average snowfall in December: 88mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Heisdorf, Germany
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heisdorf, Germany
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 2h and 42min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Heisdorf, Germany
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Heisdorf, Germany
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Heisdorf, Germany
- Average cloud cover in December: 75
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Heisdorf, Germany
- Average visibility in December: 7km
The month with the highest visibility is April (9km).
The months with the lowest visibility are November and December (7km).
