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
02:09
Oslo
+30°F
SW 2 mph
Feels like: +27°F
Precip.: 100%
Places in Norway:
Name
°F
Bergen
+36°F
Lillehammer
+27°F
Ålesund
+39°F
Oslo
+30°F
Stavanger
+43°F
Tromse
+14°F
Trondheim
+25°F
Flam
+18°F
Hemsedal
+16°F
Holmenkollen
+30°F
24 Hours Forecast
Oslo
Local time: 02:09
January 16, friday
0300
30°F
SW
2 mph
0600
32°F
SW
3 mph
0900
32°F
W
3 mph
1200
34°F
N
10 mph
1500
37°F
N
14 mph
1800
39°F
N
16 mph
2100
37°F
N
11 mph
January 17, saturday
0000
36°F
N
9 mph
Units of measurement: °C / °F