Average sea water temperature in May:
+51.2°F
| Minimum sea water temperature in May: | 63.5°F |
| Maximum sea water temperature in May: | 43.3°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 52.6°F. The highest and lowest sea temperatures during the month were 56.8°F and 48.9°F.
Monthly sea water temperature in Oslo, °F
Which Norway resorts have warmest sea in May?
| Place name | May 2025 | May 2024 |
|---|---|---|
| Oslo | 52.6°F | 55.7°F |
| Holmenkollen | 52.6°F | 55.6°F |
| Stavanger | 52.1°F | 52.8°F |
| Bergen | 50.5°F | 53.3°F |
| Trondheim | 47.9°F | 53.1°F |
| Ålesund | 47.9°F | 51.1°F |
| Tromse | 42.5°F | 41.2°F |
Best time for vacation in Oslo
Oslo on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Oslo
Local time: 00:09
April 27, monday
0300

32°F
S
2 mph
2 mph
0600

30°F
S
2 mph
2 mph
0900

43°F
S
1 mph
1 mph
1200

50°F
E
3 mph
3 mph
1500

54°F
E
4 mph
4 mph
1800

55°F
SE
4 mph
4 mph
2100

43°F
SW
3 mph
3 mph
April 28, tuesday
0000

39°F
SW
4 mph
4 mph



























