January weather forecast
Svelvik, Norway

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Weather in January

January, the same as December, in Svelvik, Norway, is a freezing cold winter month, with an average temperature fluctuating between -2.4°C (27.7°F) and -7.2°C (19°F).

Temperature

January is the month that records the lowest temperatures, with averages ranging from a high of -2.4°C (27.7°F) to a low of -7.2°C (19°F).

Humidity

In January, the average relative humidity is 89%.

Rainfall

In Svelvik, during January, the rain falls for 4.8 days and regularly aggregates up to 22mm (0.87") of precipitation. In Svelvik, during the entire year, the rain falls for 123.4 days and collects up to 384mm (15.12") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Svelvik, during January, snow falls for 10.9 days and regularly aggregates up to 112mm (4.41") of snow. Throughout the year, there are 44.9 snowfall days, and 505mm (19.88") of snow is accumulated.

Sea temperature

In Svelvik, the average seawater temperature in January is 4.5°C (40.1°F).
Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.

Daylight

In Svelvik, the average length of the day in January is 6h and 58min.
On the first day of January in Svelvik, sunrise is at 09:17 and sunset at 15:26. On the last day of the month, sunrise is at 08:33 and sunset at 16:30 CET.

Sunshine

January and December, with an average of 3.4h of sunshine, are months with the least sunshine.

UV index

January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the coldest time of year in Svelvik?

Svelvik's coldest weather arrives in January, when temperatures average a high of -2.4°C (27.7°F) and a low of -7.2°C (19°F).

How cold is January in Svelvik?

In January, the average high-temperature and low-temperature in Svelvik, Norway, are -2.4°C (27.7°F) and -7.2°C (19°F) respectively.

What is the average humidity in January in Svelvik?

In January, the average relative humidity in Svelvik, Norway, is 89%.

How many days does it rain in January in Svelvik?

In Svelvik, in January, during 4.8 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

How many days does it snow in January in Svelvik?

In Svelvik, Norway, in January, during 10.9 snowfall days, 112mm (4.41") of snow is typically accumulated.

What is the sea temperature in January in Svelvik?

In Svelvik, Norway, in January, the average water temperature is 4.5°C (40.1°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in January in Svelvik?

In January, the average day length in Svelvik, Norway, is 6h and 58min.

When are sunrise and sunset in January in Svelvik?

In January, on the first day of the month, sunrise is at 09:17 and sunset at 15:26. On the last day of the month, in Svelvik, Norway, sunrise is at 08:33 and sunset at 16:30 CET.

What are the months with the least sunshine in Svelvik?

The months with the least sunshine are January and December, with an average of 3.4h of sunshine.

How long on average sun shines in January in Svelvik?

In Svelvik, the average sunshine duration in January is 3.4h.

What is the month with the lowest UV index in Svelvik?

January and February, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January in Svelvik?

The average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Svelvik, Norway

Average temperature in January - Svelvik, Norway
  • Average high temperature in January: -2.4°C

The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in January: -7.2°C

The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January and February (-7.2°C).

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Average pressure in January
Svelvik, Norway

Average pressure in January - Svelvik, Norway
  • Average pressure in January: 1011.2mbar

The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

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Average wind speed in January
Svelvik, Norway

Average wind speed in January - Svelvik, Norway
  • Average wind speed in January: 10.6km/h

The windiest months (with the highest average wind speed) are January and December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).

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Average humidity in January
Svelvik, Norway

Average humidity in January - Svelvik, Norway
  • Average humidity in January: 89%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (70%).

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Average rainfall in January
Svelvik, Norway

Average rainfall in January - Svelvik, Norway
  • Average rainfall in January: 22mm

The wettest months (with the highest rainfall) are July and November (42mm).
The driest month (with the least rainfall) is April (16mm).

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Average rainfall days in January
Svelvik, Norway

Average rainfall days in January - Svelvik, Norway
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is July (15.2 days).
The months with the least rainy days are January and February (4.8 days).

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Average snowfall in January
Svelvik, Norway

Average snowfall in January - Svelvik, Norway
  • Average snowfall in January: 112mm

The month with the highest snowfall is March (113mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in January
Svelvik, Norway

Average snowfall days in January - Svelvik, Norway
  • Average snowfall days in January: 10.9 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in January
Svelvik, Norway

Average sea temperature in January - Svelvik, Norway
  • Average sea temperature in January: 4.5°C

The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (3.2°C).

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Average daylight in January /
Average sunshine in January
Svelvik, Norway

Average daylight in January / Average sunshine in January - Svelvik, Norway
  • Average daylight in January: 7h and 0min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).

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Average sunshine days in January
Svelvik, Norway

Average sunshine days in January - Svelvik, Norway
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is April (19.1 days).
The month with the least sunshine days is July (13.5 days).

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Average UV index in January
Svelvik, Norway

Average UV index in January - Svelvik, Norway
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in January
Svelvik, Norway

Average cloud cover in January - Svelvik, Norway
  • Average cloud cover in January: 58

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 43).

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Average visibility in January
Svelvik, Norway

Average visibility in January - Svelvik, Norway
  • Average visibility in January: 7km

The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February and March (7km).

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Svelvik, Norway

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