World Resorts Norway Oslo Weather

Oslo Sea Temperature in May

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

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
13:45
Oslo
+30°F
SE 10 mph
Feels like: +21°F
Precip.: 0%
Places in Norway:
Name
°F
Bergen
+34°F
Lillehammer
+21°F
Ålesund
+37°F
Oslo
+30°F
Stavanger
+37°F
Tromse
+21°F
Trondheim
+32°F
Flam
+1°F
Hemsedal
+9°F
Holmenkollen
+30°F
24 Hours Forecast
Oslo
Local time: 13:45
December 29, monday
1500
30°F
SE
10 mph
1800
28°F
SE
9 mph
2100
28°F
SE
6 mph
December 30, tuesday
0000
27°F
SE
8 mph
0300
25°F
SE
6 mph
0600
23°F
SE
5 mph
0900
21°F
SE
4 mph
1200
25°F
E
3 mph
Units of measurement: °C / °F