World Resorts Norway Oslo Weather

Oslo Sea Temperature in May

Average sea water temperature in May:
+51.1°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:
2026
2025
2024

The average sea water temperature in May of 2026 was 49.2°F. The highest and lowest sea temperatures during the month were 50.0°F and 48.6°F.

Monthly sea water temperature in Oslo, °F

Which Norway resorts have warmest sea in May?

Place name May 2026 May 2025
Oslo 49.2°F 52.6°F
Holmenkollen 49.0°F 52.6°F
Stavanger 48.2°F 52.1°F
Bergen 47.9°F 50.5°F
Trondheim 46.6°F 47.9°F
Ålesund 45.8°F 47.9°F
Tromse 41.6°F 42.5°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 24.7 °F
February 28.5 °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
02:10
Oslo
+43°F
SE 1 mph
Feels like: +43°F
Precip.: 0%
Places in Norway:
Name
°F
Bergen
+43°F
Lillehammer
+37°F
Ålesund
+46°F
Oslo
+43°F
Stavanger
+46°F
Tromse
+43°F
Trondheim
+45°F
Flam
+28°F
Hemsedal
+34°F
Holmenkollen
+39°F
24 Hours Forecast
Oslo
Local time: 02:10
May 17, sunday
0300
43°F
SE
1 mph
0600
43°F
N
2 mph
0900
46°F
N
4 mph
1200
54°F
N
7 mph
1500
54°F
N
10 mph
1800
54°F
N
12 mph
2100
46°F
N
9 mph
May 18, monday
0000
37°F
N
3 mph
Units of measurement: °C / °F