Current sea water temperature:
+50.4°F
| Minimum sea water temperature in May: | 63.5°F |
| Maximum sea water temperature in May: | 43.3°F |
| Average sea water temperature in May: | 51.1°F |
| more information | |
14 days
forecast
forecast
| Oslo |
monthly
weather
weather
| Oslo |
Sea water temperature for the last 10 days:
| May 21 | 50.4°F | May 16 | 50.0°F |
| May 20 | 50.0°F | May 15 | 49.5°F |
| May 19 | 50.0°F | May 14 | 49.8°F |
| May 18 | 50.2°F | May 13 | 49.5°F |
| May 17 | 48.7°F | May 12 | 48.9°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
May
May
| Oslo |
Best time for vacation in Oslo
Oslo on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Oslo
Local time: 19:02
May 21, thursday
2100
52°F
NW
1 mph
1 mph
May 22, friday
0000
46°F
S
3 mph
3 mph
0300
45°F
S
4 mph
4 mph
0600
46°F
SE
3 mph
3 mph
0900
61°F
E
1 mph
1 mph
1200
66°F
NE
6 mph
6 mph
1500
70°F
NE
7 mph
7 mph
1800
66°F
N
9 mph
9 mph
