Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Tønsberg registers an average high-temperature of a still cold 0.4°C (32.7°F) with the arrival of January, showing minor deviation from the preceding month. A consistent average low of -2.5°C (27.5°F) is noted throughout January, only a small step down from its daytime high.Humidity
In Tønsberg, the average relative humidity in January is 83%.Rainfall
In January, the rain falls for 6 days. Throughout January, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 130.2 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Tønsberg. The month with the most snowfall is January, when snow falls for 9.9 days and typically aggregates up to 111mm (4.37") of snow.Sea temperature
In Tønsberg, the average seawater temperature in January is 4°C (39.2°F).Note: In relation to swimming, the extreme cold, danger, and potential fatality of this situation are apparent. Without suitable insulated waterproof clothing, the onset of hypothermia is quick.
Daylight
In Tønsberg, the average length of the day in January is 7h and 3min.On the first day of the month, sunrise is at 09:13 and sunset at 15:29. On the last day of January, sunrise is at 08:31 and sunset at 16:32 CET.
Sunshine
In Tønsberg, the average sunshine in January is 3.5h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is January in Tønsberg?
What is the average humidity in January in Tønsberg?
How many days does it rain in January in Tønsberg?
When does it snow the most in Tønsberg?
How many days does it snow in January in Tønsberg?
What is the sea temperature in January in Tønsberg?
How many hours of daylight does Tønsberg have in January?
What time are sunrise and sunset in January in Tønsberg?
How many hours of sunshine does Tønsberg have in January?
What is the month with the lowest UV index in Tønsberg?
How high is the UV index in January in Tønsberg?
Average temperature in January
Tønsberg, Norway
- Average high temperature in January: 0.4°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 January: -2.5°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 January
Tønsberg, Norway
- Average pressure in January: 1011.1mbar
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 January
Tønsberg, Norway
- Average wind speed in January: 19.3km/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 January
Tønsberg, Norway
- Average humidity in January: 83%
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 January
Tønsberg, Norway
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in January
Tønsberg, Norway
- Average rainfall days in January: 6 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 January
Tønsberg, Norway
- Average snowfall in January: 111mm
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 January
Tønsberg, Norway
- Average snowfall days in January: 9.9 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 January
Tønsberg, Norway
- Average sea temperature in January: 4°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 January /
Average sunshine in January
Tønsberg, Norway
- Average daylight in January: 7h and 0min
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 18min).
- Average sunshine in January: 3h and 3min
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 January
Tønsberg, Norway
- Average sunshine days in January: 15.8 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 January
Tønsberg, Norway
- Average UV index in January: 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 January
Tønsberg, Norway
- Average cloud cover in January: 57
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 January
Tønsberg, Norway
- Average visibility in January: 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).
Tønsberg, Norway
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