December weather forecastRisby, Denmark
December
Weather in December
December, the first month of the winter in Risby, is still a cold month, with an average temperature fluctuating between 2.4°C (36.3°F) and 4.5°C (40.1°F).Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to an icy 4.5°C (40.1°F) from November's frosty 7.8°C (46°F). During the nights of December, the average low-temperature holds at a still cold 2.4°C (36.3°F).Humidity
January and December, with an average relative humidity of 87%, are the most humid months in Risby.Rainfall
In Risby, during December, the rain falls for 15.1 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 159.2 rainfall days, and 413mm (16.26") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 5.5 days and accumulates 36mm (1.42") of snow.Daylight
December has the shortest days of the year in Risby, Denmark, with an average of 7h and 6min of daylight.On the first day of December in Risby, sunrise is at 08:16 and sunset at 15:43. On the last day of the month, sunrise is at 08:39 and sunset at 15:48 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.1h of sunshine.UV index
In December, the average daily maximum UV index in Risby is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Risby, Denmark
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is February (2.7°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (-0.1°C).
Average pressure in December
Risby, Denmark
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Risby, Denmark
- Average wind speed in December: 21.7km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Risby, Denmark
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Risby, Denmark
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Risby, Denmark
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in December
Risby, Denmark
- Average snowfall in December: 36mm
The month with the highest snowfall is December (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Risby, Denmark
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Risby, Denmark
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Risby, Denmark
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is March (17.4 days).
The month with the least sunshine days is December (8.8 days).
Average UV index in December
Risby, Denmark
- 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
Risby, Denmark
- Average cloud cover in December: 70
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are June and August (Cloud cover 38).
Average visibility in December
Risby, 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).
