December weather forecastTjøme, Norway
December
Weather in December
The first month of the winter, December, is also an icy month in Tjøme, Norway, with an average temperature varying between 0.4°C (32.7°F) and 2.7°C (36.9°F).Temperature
With the commencement of December, Tjøme records a moderate temperature decline, with the average high easing from November's frosty 6.1°C (43°F) to an icy 2.7°C (36.9°F). In Tjøme, the average low-temperature during December nights tends to settle at 0.4°C (32.7°F), indicating a slight drop from the daytime peak.Humidity
In Tjøme, Norway, the average relative humidity in December is 80%.Rainfall
In Tjøme, in December, it is raining for 9.8 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, in Tjøme, Norway, there are 123 rainfall days, and 276mm (10.87") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Tjøme. In Tjøme, Norway, during December, snow falls for 6.1 days and regularly aggregates up to 30mm (1.18") of snow. In Tjøme, Norway, during the entire year, snow falls for 33.1 days and aggregates up to 165mm (6.5") of snow.Daylight
The month with the shortest days in Tjøme, Norway, is December, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:47 and sunset at 15:28. On the last day of December, in Tjøme, sunrise is at 09:12 and sunset at 15:30 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.4h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tjøme, Norway
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is February (0.8°C).
- Average low temperature in December: 0.4°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in December
Tjøme, Norway
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Tjøme, Norway
- Average wind speed in December: 22.7km/h
The windiest month (with the highest average wind speed) is November (22.8km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in December
Tjøme, Norway
- Average humidity in December: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Tjøme, Norway
- Average rainfall in December: 23mm
The wettest months (with the highest rainfall) are August and November (33mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in December
Tjøme, Norway
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Tjøme, Norway
- Average snowfall in December: 30mm
The month with the highest snowfall is January (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Tjøme, Norway
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tjøme, Norway
- Average daylight in December: 6h and 18min
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 24min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Tjøme, Norway
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is April (19.6 days).
The month with the least sunshine days is November (13.1 days).
Average UV index in December
Tjøme, Norway
- Average UV index in December: 2
The months with the highest UV index are June and 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
Tjøme, Norway
- Average cloud cover in December: 55
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
Tjøme, 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).
