World Resorts Norway Oslo Weather

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

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

Sea water temperature in Oslo in January, °F

Show year:
2025
2024
2023

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

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

Precipitation total in January, in.

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

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

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.

Best time for vacation in Oslo

Sunniest months:
June 11 days
May 11 days
July 11 days
Warmest months:
July 68.4 °F
August 65.4 °F
June 64.6 °F
Warmest sea temp:
July 65.7 °F
August 65.1 °F
June 60.3 °F
Coldest months:
January 25.0 °F
December 28.5 °F
February 28.8 °F
Rainiest months:
May 6 days
August 6 days
July 6 days
Windiest months:
May 6.4 mph
June 6.1 mph
April 6.0 mph

Oslo on a weather map

Oslo
+36°F
SW 3 mph
Feels like: +32°F
Precip.: 100%
Places in Norway:
Name
°F
+37°F
+36°F
+43°F
+36°F
+45°F
+19°F
+30°F
+21°F
+30°F
+39°F
24 Hours Forecast
Oslo
Local time: 07:03
December 05, friday
0900
36°F
SW
2 mph
1200
36°F
SW
2 mph
1500
37°F
SW
2 mph
1800
36°F
SW
2 mph
2100
36°F
SW
4 mph
December 06, saturday
0000
36°F
SW
6 mph
0300
36°F
SW
8 mph
0600
34°F
SW
7 mph
Units of measurement: °C / °F