World Resorts Norway Oslo Weather

Oslo sea water temperature

Current sea water temperature:
+51.4°F
Minimum sea water temperature in October: 58.6°F
Maximum sea water temperature in October: 47.5°F
Average sea water temperature in October: 52.4°F

Sea water temperature for the last 10 days:

October 25 51.4°F October 20 52.5°F
October 24 51.4°F October 19 51.8°F
October 23 51.8°F October 18 52.3°F
October 22 52.3°F October 17 52.3°F
October 21 52.3°F October 16 53.6°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 66.7°F. The highest and lowest sea temperatures during the month were 72.0°F and 63.1°F.

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 63.4°F. The highest and lowest sea temperatures during the month were 65.3°F and 61.7°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 61.0°F. The highest and lowest sea temperatures during the month were 68.0°F and 56.3°F.

Best time for vacation in Oslo

Sunniest months:
June 11 days
May 11 days
July 11 days
Warmest months:
July 68.6 °F
August 65.5 °F
June 64.9 °F
Warmest sea temp:
July 65.7 °F
August 65.0 °F
June 60.4 °F
Coldest months:
January 24.7 °F
February 28.5 °F
December 29.0 °F
Rainiest months:
August 6 days
May 5 days
June 5 days
Windiest months:
May 6.3 mph
June 6.1 mph
April 6.0 mph

Oslo on a weather map

Oslo
+48°F
NW 9 mph
Feels like: +43°F
Precip.: 78%
Places in Norway:
Name
°F
+46°F
+43°F
+52°F
+48°F
+52°F
+39°F
+48°F
+30°F
+34°F
+45°F
24 Hours Forecast
Oslo
Local time: 21:10
October 26, monday
0000
46°F
NW
8 mph
0300
45°F
N
1 mph
0600
45°F
S
2 mph
0900
46°F
SE
2 mph
1200
50°F
E
5 mph
1500
50°F
NE
5 mph
1800
41°F
NE
4 mph
2100
37°F
E
2 mph
Units of measurement: °C / °F