December weather forecastRønne, Denmark
December
Weather in December
Closing the year, December in Rønne, Denmark exhibits full-blown winter characteristics. The city is gripped by a cold wave, and residents experience the shortest days of the year. Snowfall resumes in full force, blanketing the city in a winter wonderland. December flaunts a sea temperature of 6°C (42.8°F), a stark contrast from the summer months. The month’s wintry expanse adds a festive touch as the town bids farewell to the year.Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a frosty 8.5°C (47.3°F) in November to a wintry 5.1°C (41.2°F). Recording a slight decline in temperature during the nights, Rønne's December temperatures average at a still icy 3.5°C (38.3°F).Humidity
In Rønne, the average relative humidity in December is 83%.Rainfall
In Rønne, during December, the rain falls for 16.6 days and regularly aggregates up to 33mm (1.3") of precipitation. In Rønne, Denmark, during the entire year, the rain falls for 151 days and collects up to 345mm (13.58") of precipitation.Snowfall
Months with snowfall in Rønne are January through April, November and December. In December, in Rønne, Denmark, it is snowing for 4.8 days. Throughout December, 16mm (0.63") of snow is accumulated. Throughout the year, in Rønne, there are 25.3 snowfall days, and 107mm (4.21") of snow is accumulated.Sea temperature
In Rønne, in December, the average water temperature is 6°C (42.8°F).Note: Unprotected swimming in 6°C (42.8°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
With an average of 7h and 18min of daylight, December has the shortest days of the year in Rønne.On the first day of December in Rønne, sunrise is at 08:03 and sunset at 15:37. On the last day of the month, sunrise is at 08:26 and sunset at 15:42 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.9h of sunshine.UV index
The average daily maximum UV index in December in Rønne is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rønne, Denmark
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The month with the lowest average high temperature is February (2.7°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in December
Rønne, Denmark
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is September (1015.8mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in December
Rønne, Denmark
- Average wind speed in December: 32.5km/h
The windiest month (with the highest average wind speed) is December (32.5km/h).
The calmest month (with the lowest average wind speed) is June (21.8km/h).
Average humidity in December
Rønne, Denmark
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in December
Rønne, Denmark
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Rønne, Denmark
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is December (16.6 days).
The month with the least rainy days is April (8.6 days).
Average snowfall in December
Rønne, Denmark
- Average snowfall in December: 16mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Rønne, Denmark
- Average snowfall days in December: 4.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Rønne, Denmark
- Average sea temperature in December: 6°C
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (2.4°C).
Average daylight in December /
Average sunshine in December
Rønne, Denmark
- Average daylight in December: 7h and 18min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Rønne, Denmark
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is April (19 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in December
Rønne, 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
Rønne, Denmark
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in December
Rønne, Denmark
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
