December weather forecastSterley, Germany
December
Weather in December
December, the first month of the winter in Sterley, is still a cold month, with an average temperature fluctuating between 4.3°C (39.7°F) and 1°C (33.8°F).Temperature
With the onset of December, the average high-temperature subtly recedes from November's frosty 7.7°C (45.9°F) to a cold 4.3°C (39.7°F). In Sterley, the nightly December temperatures experience a slight descent from daily highs to an average low of 1°C (33.8°F).Humidity
The most humid month is December, with an average relative humidity of 90%.Rainfall
In December, the rain falls for 15.6 days. Throughout December, 35mm (1.38") of precipitation is accumulated. In Sterley, during the entire year, the rain falls for 167.7 days and collects up to 403mm (15.87") of precipitation.Snowfall
Months with snowfall in Sterley are January through April, November and December. The month with the most snowfall is December, when snow falls for 4 days and typically aggregates up to 25mm (0.98") of snow.Daylight
The month with the shortest days in Sterley, Germany, is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 08:10 and sunset at 16:00. On the last day of December, in Sterley, Germany, sunrise is at 08:33 and sunset at 16:06 CET.
Sunshine
With an average of 3.2h of sunshine, December has the least sunshine of the year in Sterley.UV index
The average daily maximum UV index in December in Sterley is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sterley, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in December
Sterley, Germany
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Sterley, Germany
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in December
Sterley, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Sterley, Germany
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Sterley, Germany
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Sterley, Germany
- Average snowfall in December: 25mm
The month with the highest snowfall is December (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sterley, Germany
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is February (6.4 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
Sterley, Germany
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Sterley, Germany
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in December
Sterley, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sterley, 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 38).
Average visibility in December
Sterley, Germany
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
