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
04:36
Oslo
+18°F
SW 6 mph
Feels like: +9°F
Precip.: 100%
Places in Norway:
Name
°F
Bergen
+21°F
Lillehammer
+9°F
Ålesund
+27°F
Oslo
+19°F
Stavanger
+27°F
Tromse
+19°F
Trondheim
+16°F
Flam
-4°F
Hemsedal
+3°F
Holmenkollen
+19°F
24 Hours Forecast
Oslo
Local time: 04:36
January 05, monday
0600
19°F
SW
6 mph
0900
19°F
SW
5 mph
1200
19°F
SW
4 mph
1500
19°F
SW
4 mph
1800
19°F
SW
4 mph
2100
18°F
S
4 mph
January 06, tuesday
0000
18°F
S
5 mph
0300
18°F
S
6 mph
Units of measurement: °C / °F