World Resorts Norway Oslo Weather

Oslo Sea Temperature in December

Average sea water temperature in December:
+38.8°F
Minimum sea water temperature in December: 45.9°F
Maximum sea water temperature in December: 28.9°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 41.5°F. The highest and lowest sea temperatures during the month were 45.0°F and 36.0°F.

Monthly sea water temperature in Oslo, °F

Which Norway resorts have warmest sea in December?

Place name December 2025 December 2024
Stavanger 48.0°F 46.0°F
Ålesund 47.3°F 45.5°F
Bergen 46.6°F 44.7°F
Trondheim 43.2°F 42.4°F
Tromse 43.0°F 42.3°F
Holmenkollen 41.5°F 39.7°F
Oslo 41.5°F 39.7°F

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
February 28.8 °F
December 29.0 °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

Current weather
00:41
Oslo
+18°F
SW 4 mph
Feels like: +12°F
Precip.: 100%
Places in Norway:
Name
°F
Bergen
+28°F
Lillehammer
+10°F
Ålesund
+36°F
Oslo
+18°F
Stavanger
+37°F
Tromse
+10°F
Trondheim
+30°F
Flam
+9°F
Hemsedal
+10°F
Holmenkollen
+18°F
24 Hours Forecast
Oslo
Local time: 00:41
January 13, tuesday
0300
18°F
SW
4 mph
0600
19°F
SW
4 mph
0900
21°F
SW
4 mph
1200
25°F
SW
3 mph
1500
27°F
SW
3 mph
1800
25°F
SW
4 mph
2100
21°F
SW
4 mph
January 14, wednesday
0000
19°F
SW
4 mph
Units of measurement: °C / °F