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Oslo weather in January

Weather in Oslo: January

Average day temperature: 25.0°F
Average night temperature: 22.1°F
Sea water temperature: 36.1°F
Number of sunny days: 8 days
Day length: 5.7 - 7.9 hours
Number of days with precipitation: 4 days
Precipitation totals: 1.9 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
6
12
18
24
30
36
42
48
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 37°F. At the same time the lowest night temperature was 2°F. Day and night temperature averages during January were 26.6°F and 20.8°F.

Sea water temperature in Oslo in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
25
28
31
34
37
40
43
46

The average sea water temperature in January of 2025 was 36.1°F. The highest and lowest sea temperatures during the month were 40.5°F and 31.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
26%
23%
52%

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.6
1.2
1.8
2.4
2.9
3.5
4.1
2.7
3.3
3.4
3.4
3.3
3.4
3.3
3.1
1.7
1.7
1.8
2.7
3.3
3.4
3.4
3.3
3.4
3.3
3.1
1.7
1.7
1.8
1.9

Precipitation total value in Oslo in January is 1.9 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.0
3.0
4.0
4.9
5.9
6.9
4.5
5.2
5.5
5.5
5.5
5.1
5.8
5.7
5.8
5.2
5.3
4.5
5.2
5.5
5.5
5.5
5.1
5.8
5.7
5.8
5.2
5.3
5.2

The average wind speed value in January is 5.2 mph It makes January one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.6
5.4
7.2
9.0
10.8
12.6
2.3
2.6
4.1
5.9
7.1
8.4
10.5
8.9
6.8
5.4
4.1
2.3
2.6
4.1
5.9
7.1
8.4
10.5
8.9
6.8
5.4
4.1
3.0

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 3.0.

Oslo weather reviews

Alex, January 2024
I recently had a chance to visit Norway, Oslo, or as the Norwegians themselves say - Ushlu. Winter in Norway, with the exception of the Arctic, is quite mild, due to the warm current - the Gulf Stream, even in the more northern Bergen in February the temperature is usually above zero and it often rains. In Oslo during the day it is about minus two to three degrees Celsius, at night it is a little colder, but not critical. Another thing is in the mountainous regions of the country - where tourists mainly go in winter - there are a huge number of ski resorts and views of indescribable beauty. The famous Norwegian fjords mostly do not freeze in winter, so you can go on a boat excursion. Despite the rather mild climate, do not forget that Norway is a northern and maritime country, and it is February... Read more

Best time for vacation in Oslo

Sunniest months:
July 11 days
May 11 days
June 11 days
Warmest months:
July 68.0 °F
August 65.2 °F
June 64.6 °F
Warmest sea temp:
July 65.5 °F
August 65.1 °F
June 60.5 °F
Coldest months:
January 25.0 °F
December 28.5 °F
February 28.8 °F
Rainiest months:
August 7 days
May 6 days
June 6 days
Windiest months:
May 6.3 mph
April 6.1 mph
June 6.0 mph

Oslo on a weather map

Leaflet | Tiles © Esri
Places in Norway:
Name
°F
+36°F
+23°F
+28°F
+30°F
+39°F
+27°F
+30°F
+18°F
+23°F
+32°F
24 Hours Forecast
Oslo
Local time: 07:32
March 16, sunday
0900
30°F
SW
9 mph
1200
36°F
S
10 mph
1500
37°F
S
10 mph
1800
32°F
S
8 mph
2100
21°F
SE
4 mph
March 17, monday
0000
21°F
SE
3 mph
0300
23°F
E
2 mph
0600
23°F
N
0 mph
Units of measurement: °C / °F