January weather forecastGrimstad, Norway

January

Weather in January

January, the same as December, is a wintry winter month in Grimstad, Norway, with an average temperature ranging between min -0.8°C (30.6°F) and max 2°C (35.6°F).

Temperature

The initiation of January sees an average high-temperature of a still cold 2°C (35.6°F), showing minor variations from the previous month. In Grimstad, the January nights are characterized by an average low-temperature of -0.8°C (30.6°F), a minor dip from daytime readings.

Humidity

The average relative humidity in January in Grimstad is 84%.

Rainfall

In Grimstad, Norway, in January, during 9.6 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 152.2 rainfall days, and 592mm (23.31") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Grimstad. January is the month with the most snowfall in Grimstad. Snow falls for 9.9 days and accumulates 106mm (4.17") of snow.

Sea temperature

In Grimstad, in January, the average water temperature is 4.7°C (40.5°F).
Note: Regarding swimming, this is extremely cold, hazardous, and can lead to death. Hypothermia sets in rapidly without the protection of insulating waterproof gear.

Daylight

In Grimstad, the average length of the day in January is 7h and 16min.
On the first day of January in Grimstad, sunrise is at 09:13 and sunset at 15:44. On the last day of the month, sunrise is at 08:33 and sunset at 16:44 CET.

Sunshine

The average sunshine in January in Grimstad is 3.3h.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Grimstad in January has an average high-temperature of 2°C (35.6°F) and an average low-temperature of -0.8°C (30.6°F).

In Grimstad, the average relative humidity in January is 84%.

In Grimstad, in January, during 9.6 rainfall days, 56mm (2.2") of precipitation is typically accumulated.

The month with the most snowfall in Grimstad is January, when snow falls for 9.9 days and typically aggregates up to 106mm (4.17") of snow.

In January, it is snowing for 9.9 days. Throughout January, 106mm (4.17") of snow is accumulated.

In January, the average sea temperature in Grimstad is 4.7°C (40.5°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

In January, the average day length is 7h and 16min.

On the first day of January in Grimstad, Norway, sunrise is at 09:13 and sunset at 15:44. On the last day of the month, sunrise is at 08:33 and sunset at 16:44 CET.

In January, the average sunshine duration is 3.3h.

The month with the lowest UV index in Grimstad is January, with an average maximum UV index of 1.

In Grimstad, Norway, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

3.7°C

2°C

1.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

22.9km/h

21.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

5.5

9.9

9.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

10.3

10.1

Average UV index

Average cloud cover

58%

61%

Average visibility

9km

Average temperature in January
Grimstad, Norway

Average high temperature in January: 2°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 (1.6°C).

Average low temperature in January: -0.8°C

The months with the highest average low temperature are July and August (13.2°C).
The coldest month (with the lowest average low temperature) is February (-1.6°C).

Average pressure in January
Grimstad, Norway

Average pressure in January: 1010.5mbar

The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

Average wind speed in January
Grimstad, Norway

Average wind speed in January: 21.4km/h

The windiest month (with the highest average wind speed) is November (21.5km/h).
The calmest month (with the lowest average wind speed) is June (16.1km/h).

Average humidity in January
Grimstad, Norway

Average humidity in January: 84%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and June (71%).

Average rainfall in January
Grimstad, Norway

Average rainfall in January: 56mm

The wettest months (with the highest rainfall) are October and November (65mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in January
Grimstad, Norway

Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is November (16.8 days).
The month with the least rainy days is February (8.7 days).

Average snowfall in January
Grimstad, Norway

Average snowfall in January: 106mm

The month with the highest snowfall is January (106mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January
Grimstad, 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 June, July, August and September (0 days).

Average sea temperature in January
Grimstad, Norway

Average sea temperature in January: 4.7°C

The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is March (3.4°C).

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

Average daylight in January: 7h and 18min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

Average sunshine in January: 3h and 18min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in January
Grimstad, Norway

Average sunshine days in January: 10.1 days

The month with the most sunshine days is May (18.5 days).
The month with the least sunshine days is November (7.7 days).

Average UV index in January
Grimstad, Norway

Average UV index in January: 1

The months with the highest UV index are May, June, July, August and September (UV index 4).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in January
Grimstad, Norway

Average cloud cover in January: 61

The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in January
Grimstad, Norway

Average visibility in January: 9km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).