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 in Horten, Norway, brings a slight decrease in the average high-temperature, shifting from 5.2°C (41.4°F) in November to a still wintry 1.7°C (35.1°F). A modest nighttime temperature average of -1°C (30.2°F) characterizes December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Horten, in December, it is raining for 12.1 days, with typically 55mm (2.17") of accumulated precipitation. Throughout the year, there are 146.5 rainfall days, and 650mm (25.59") of precipitation is accumulated.Snowfall
Months with snowfall in Horten, Norway, are January through April, October through December. In December, it is snowing for 6.9 days. Throughout December, 88mm (3.46") of snow is accumulated. Throughout the year, in Horten, there are 41.4 snowfall days, and 465mm (18.31") of snow is accumulated.Sea temperature
In Horten, the average seawater temperature in December is 6.3°C (43.3°F).Note: Being in 6.3°C (43.3°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
With an average of 6h and 12min of daylight, December has the shortest days of the year in Horten.On the first day of December, sunrise is at 08:49 and sunset at 15:25. On the last day of the month, sunrise is at 09:15 and sunset at 15:27 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Horten, Norway, are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions
How cold is December in Horten?
What is the average humidity in December in Horten?
How much does it rain in Horten in December?
How many days does it snow in December in Horten?
What is the water temperature in December in Horten?
What is the month with the shortest days in Horten?
What is the average length of the day in December in Horten?
When are sunrise and sunset in December in Horten?
What is the month with the least sunshine in Horten?
How many hours of sunshine does Horten have in December?
What are the months with the lowest UV index in Horten?
What is the UV index reading in December in Horten?
Average temperature in December
Horten, Norway
- Average high temperature in December: 1.7°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 (0.1°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in December
Horten, 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
Horten, Norway
- Average wind speed in December: 19.2km/h
The windiest months (with the highest average wind speed) are November and December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).
Average humidity in December
Horten, 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
Horten, Norway
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Horten, Norway
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Horten, Norway
- Average snowfall in December: 88mm
The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Horten, Norway
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Horten, 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
Horten, Norway
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- 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
Horten, Norway
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in December
Horten, 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
Horten, Norway
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in December
Horten, Norway
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is February (8km).
Horten, Norway
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