Current sea water temperature:
+40.3°F
| Minimum sea water temperature in January: | 42.8°F |
| Maximum sea water temperature in January: | 28.8°F |
| Average sea water temperature in January: | 36.1°F |
| more information | |
14 days
forecast
forecast
| Oslo |
monthly
weather
weather
| Oslo |
Sea water temperature for the last 10 days:
| January 3 | 40.3°F | December 29 | 38.8°F |
| January 2 | 40.6°F | December 28 | 36.0°F |
| January 1 | 41.0°F | December 27 | 36.5°F |
| December 31 | 40.5°F | December 26 | 39.4°F |
| December 30 | 41.9°F | December 25 | 39.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Oslo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Oslo was noticed in July, August and June.
Monthly Sea Temperatures in Oslo, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 72.3°F and 62.4°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.1°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 58.1°F. The highest and lowest sea temperatures during the month were 63.3°F and 54.0°F.
current
weather
weather
| Oslo |
weather in
January
January
| Oslo |
Best time for vacation in Oslo
Oslo on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Oslo
Local time: 14:10
January 03, saturday
1500
19°F
S
14 mph
14 mph
1800
18°F
S
14 mph
14 mph
2100
18°F
S
12 mph
12 mph
January 04, sunday
0000
18°F
S
11 mph
11 mph
0300
18°F
S
10 mph
10 mph
0600
18°F
S
9 mph
9 mph
0900
18°F
S
7 mph
7 mph
1200
18°F
S
7 mph
7 mph
