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 sea temperature 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
Weather in December
Temperature
The advent of December presents an average high-temperature of a wintry 3.6°C (38.5°F), maintaining a close correlation with the preceding month. December registers an average low temperature of 1.1°C (34°F), subtly lower than the daytime maximum.Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 12 days. Throughout December, 77mm (3.03") of precipitation is accumulated. In Arendal, during the entire year, the rain falls for 137.7 days and collects up to 744mm (29.29") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Arendal, in December, during 5.4 snowfall days, 61mm (2.4") of snow is typically accumulated. In Arendal, during the entire year, snow falls for 32.5 days and aggregates up to 408mm (16.06") of snow.Sea temperature
In Arendal, Norway, the average seawater temperature in December is 7.1°C (44.8°F).Note: Swimming in 7.1°C (44.8°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
December has the shortest days of the year in Arendal, Norway, with an average of 6h and 30min of daylight.On the first day of December in Arendal, sunrise is at 08:48 and sunset at 15:39. On the last day of the month, sunrise is at 09:13 and sunset at 15:42 CET.
Sunshine
The months with the least sunshine in Arendal are January and December, with an average of 3.2h of sunshine.UV index
In Arendal, Norway, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is December in Arendal?
What is the average humidity in December in Arendal?
How many days does it rain in December in Arendal?
How much does it snow in Arendal in December?
What is the sea water temperature in December in Arendal?
What is the month with the shortest days in Arendal?
What is the average length of the day in December in Arendal?
When are sunrise and sunset in December in Arendal?
What are the months with the least sunshine in Arendal?
How many hours of sunshine does Arendal have in December?
What is the UV index intensity in December in Arendal?
Average temperature in December
Arendal, Norway
- Average high temperature in December: 3.6°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (1.3°C).
- Average low temperature in December: 1.1°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in December
Arendal, Norway
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Arendal, Norway
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is November (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in December
Arendal, Norway
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in December
Arendal, Norway
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Arendal, Norway
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Arendal, Norway
- Average snowfall in December: 61mm
The month with the highest snowfall is January (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Arendal, Norway
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Arendal, Norway
- Average sea temperature in December: 7.1°C
The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is March (3.4°C).
Average daylight in December /
Average sunshine in December
Arendal, Norway
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Arendal, Norway
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is April (19 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in December
Arendal, Norway
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Arendal, Norway
- Average cloud cover in December: 57
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Arendal, Norway
- 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).
Arendal, Norway
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