December weather forecastSien, Germany
December
Weather in December
December, the first month of the winter in Sien, is also a wintry month, with an average temperature varying between 0.1°C (32.2°F) and 4.3°C (39.7°F).Temperature
As November transitions into December, Sien sees a gentle drop in the average high-temperature, transitioning from a chilly 7.5°C (45.5°F) to an icy 4.3°C (39.7°F). A consistent average low of 0.1°C (32.2°F) is noted in Sien, Germany throughout December, only a small step down from its daytime high.Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
In Sien, during December, the rain falls for 9.8 days and regularly aggregates up to 31mm (1.22") of precipitation. In Sien, Germany, during the entire year, the rain falls for 153.9 days and collects up to 437mm (17.2") of precipitation.Snowfall
Months with snowfall in Sien are January through May, October through December. In December, it is snowing for 6.1 days. Throughout December, 52mm (2.05") of snow is accumulated. Throughout the year, there are 26.8 snowfall days, and 196mm (7.72") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Sien.On the first day of December in Sien, sunrise is at 08:06 and sunset at 16:32. On the last day of the month, sunrise is at 08:26 and sunset at 16:39 CET.
Sunshine
With an average of 3h of sunshine, December has the least sunshine of the year.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Sien. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sien, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: 0.1°C
The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure in December
Sien, Germany
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in December
Sien, Germany
- Average wind speed in December: 11.9km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in December
Sien, Germany
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in December
Sien, Germany
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Sien, Germany
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Sien, Germany
- Average snowfall in December: 52mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sien, Germany
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sien, Germany
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Sien, Germany
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in December
Sien, 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, October, November and December (UV index 2).
Average cloud cover in December
Sien, Germany
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Sien, Germany
- Average visibility in December: 7km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
