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
December brings a slight decrease in temperature, down from a cold 5.3°C (41.5°F) in November to a still wintry 1.9°C (35.4°F). During December, the nighttime temperatures align closely with the daytime averages, measuring a subzero cold -0.8°C (30.6°F).Humidity
In Årøysund, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 130.2 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Årøysund, in December, snow falls for 6.1 days, with typically accumulated 66mm (2.6") of snow. Throughout the year, in Årøysund, there are 37 snowfall days, and 389mm (15.31") of snow is accumulated.Sea temperature
In Årøysund, the average seawater temperature in December is 6.3°C (43.3°F).Note: In 6.3°C (43.3°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
December has the shortest days of the year in Årøysund, with an average of 6h and 18min of daylight.On the first day of December in Årøysund, sunrise is at 08:47 and sunset at 15:27. On the last day of the month, sunrise is at 09:13 and sunset at 15:29 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
The months with the lowest UV index in Årøysund are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Årøysund in December?
What is the average humidity in December in Årøysund?
How much does it rain in Årøysund in December?
How many days does it snow in December in Årøysund?
What is the sea water temperature in December in Årøysund?
What is the month with the shortest days in Årøysund?
How many hours of daylight does Årøysund have in December?
What time are sunrise and sunset in December in Årøysund?
What is the month with the least sunshine in Årøysund?
How many hours of sunshine does Årøysund have in December?
What are the months with the lowest UV index in Årøysund?
What is the UV index reading in December in Årøysund?
Average temperature in December
Årøysund, Norway
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in December
Årøysund, Norway
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Årøysund, Norway
- Average wind speed in December: 19.7km/h
The windiest months (with the highest average wind speed) are November and December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in December
Årøysund, Norway
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Årøysund, Norway
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Årøysund, Norway
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Årøysund, Norway
- Average snowfall in December: 66mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Årøysund, Norway
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Årøysund, Norway
- Average sea temperature in December: 6.3°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in December /
Average sunshine in December
Årøysund, Norway
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Årøysund, Norway
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is April (19.9 days).
The months with the least sunshine days are June and July (13.4 days).
Average UV index in December
Årøysund, Norway
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Årøysund, Norway
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in December
Årøysund, Norway
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Årøysund, Norway
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