Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from an icy 2.2°C (36°F) in November to a freezing cold -2.1°C (28.2°F). Rotnes encounters an average temperature dip to a still subzero cold -5.6°C (21.9°F) throughout December, subtly lower than its daytime maximum.Humidity
In Rotnes, the average relative humidity in December is 89%.Rainfall
In Rotnes, Norway, during December, the rain falls for 6 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, in Rotnes, there are 142.2 rainfall days, and 648mm (25.51") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rotnes, during December, snow falls for 12.4 days and regularly aggregates up to 199mm (7.83") of snow. In Rotnes, during the entire year, snow falls for 71.1 days and aggregates up to 1230mm (48.43") of snow.Daylight
December has the shortest days of the year in Rotnes, Norway, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 08:52 and sunset at 15:18. On the last day of December, sunrise is at 09:19 and sunset at 15:20 CET.
Sunshine
January and December, with an average of 3.1h of sunshine, are months with the least sunshine in Rotnes, Norway.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Rotnes?
What is the average humidity in December in Rotnes?
How many days does it rain in December in Rotnes?
How many days does it snow in December in Rotnes?
What is the month with the shortest days in Rotnes?
What is the average length of the day in December in Rotnes?
What time are sunrise and sunset in December in Rotnes?
What is the month with the least sunshine in Rotnes?
How many hours of sunshine does Rotnes have in December?
When is the lowest UV index in Rotnes?
What is the UV index reading in December in Rotnes?
Average temperature in December
Rotnes, Norway
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -5.6°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in December
Rotnes, Norway
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Rotnes, Norway
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in December
Rotnes, Norway
- Average humidity in December: 89%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Rotnes, Norway
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in December
Rotnes, Norway
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in December
Rotnes, Norway
- Average snowfall in December: 199mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rotnes, Norway
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rotnes, 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: 3h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Rotnes, Norway
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Rotnes, Norway
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Rotnes, Norway
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in December
Rotnes, Norway
- Average visibility in December: 7km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).
