December weather forecastRosendal, Norway
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Rosendal, Norway, with an average temperature varying between -8.1°C (17.4°F) and -3.5°C (25.7°F).Temperature
As Rosendal welcomes December, the average high-temperature stabilizes at a still subzero cold -3.5°C (25.7°F), showing little deviation from November's -0.9°C (30.4°F). Nights in December cool down, indicating a minor disparity from daytime highs with an average low-temperature of -8.1°C (17.4°F).Humidity
With an average relative humidity of 94%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 12.6 days and typically aggregates up to 206mm (8.11") of precipitation.Snowfall
Months with snowfall in Rosendal are January through May, October through December. In Rosendal, Norway, during December, snow falls for 18.3 days and regularly aggregates up to 524mm (20.63") of snow. In Rosendal, during the entire year, snow falls for 96.6 days and aggregates up to 2624mm (103.31") of snow.Sea temperature
In December, the average sea temperature in Rosendal is 8.1°C (46.6°F).Note: Taking a dip in 8.1°C (46.6°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
The month with the shortest days is December, with an average of 6h and 0min of daylight.On the first day of December in Rosendal, sunrise is at 09:11 and sunset at 15:38. On the last day of the month, sunrise is at 09:38 and sunset at 15:40 CET.
Sunshine
The month with the least sunshine in Rosendal is December, with an average of 1.6h of sunshine.UV index
The months with the lowest UV index in Rosendal are January through March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosendal, Norway
- Average high temperature in December: -3.5°C
The warmest month (with the highest average high temperature) is July (12.6°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in December: -8.1°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in December
Rosendal, Norway
- Average pressure in December: 1006.8mbar
The months with the highest atmospheric pressure are April and May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in December
Rosendal, Norway
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in December
Rosendal, Norway
- Average humidity in December: 94%
The month with the highest relative humidity is December (94%).
The month with the lowest relative humidity is June (81%).
Average rainfall in December
Rosendal, Norway
- Average rainfall in December: 206mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is June (87mm).
Average rainfall days in December
Rosendal, Norway
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Rosendal, Norway
- Average snowfall in December: 524mm
The month with the highest snowfall is January (581mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rosendal, Norway
- Average snowfall days in December: 18.3 days
The month with the highest number of snowfall days is December (18.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in December
Rosendal, Norway
- Average sea temperature in December: 8.1°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in December /
Average sunshine in December
Rosendal, Norway
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 1h and 36min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Rosendal, Norway
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is October (10.4 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in December
Rosendal, Norway
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Rosendal, Norway
- Average cloud cover in December: 76
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in December
Rosendal, Norway
- Average visibility in December: 6km
The months with the highest visibility are June, July, August, September and October (8km).
The months with the lowest visibility are February, March and December (6km).





