December weather forecastSletten, Denmark
December
Weather in December
December, the first month of the winter in Sletten, is also an icy month, with an average temperature varying between 1.7°C (35.1°F) and 4.3°C (39.7°F).Temperature
December marks a gentle change in average high-temperature, declining from November's frosty 7.6°C (45.7°F) to a wintry 4.3°C (39.7°F). In December, Sletten temperatures settle at a low of 1.7°C (35.1°F) during the nights, reflecting a minor change from daytime highs.Humidity
January and December, with an average relative humidity of 87%, are the most humid months in Sletten.Rainfall
In December, in Sletten, Denmark, the rain falls for 14.9 days. Throughout December, 32mm (1.26") of precipitation is accumulated. In Sletten, Denmark, during the entire year, the rain falls for 167.1 days and collects up to 386mm (15.2") of precipitation.Snowfall
January through May, November and December are months with snowfall. In Sletten, during December, snow falls for 6.5 days and regularly aggregates up to 37mm (1.46") of snow. Throughout the year, there are 29 snowfall days, and 147mm (5.79") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 6min of daylight.On the first day of the month, sunrise is at 08:17 and sunset at 15:41. On the last day of December, sunrise is at 08:40 and sunset at 15:45 CET.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year in Sletten.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sletten, Denmark
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: 1.7°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).
Average pressure in December
Sletten, Denmark
- Average pressure in December: 1010.7mbar
The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).
Average wind speed in December
Sletten, Denmark
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in December
Sletten, Denmark
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in December
Sletten, Denmark
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Sletten, Denmark
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Sletten, Denmark
- Average snowfall in December: 37mm
The month with the highest snowfall is February (49mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Sletten, Denmark
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sletten, Denmark
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Sletten, Denmark
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is April (14.9 days).
The month with the least sunshine days is December (8.6 days).
Average UV index in December
Sletten, Denmark
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sletten, Denmark
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are June and August (Cloud cover 41).
Average visibility in December
Sletten, Denmark
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).





