World Resorts Norway Oslo Weather

Oslo sea water temperature

Current sea water temperature:
+63.1°F
Minimum sea water temperature in July: 75.9°F
Maximum sea water temperature in July: 58.6°F
Average sea water temperature in July: 65.7°F

Sea water temperature for the last 10 days:

July 29 63.1°F July 24 66.6°F
July 28 64.0°F July 23 66.0°F
July 27 64.2°F July 22 67.3°F
July 26 64.4°F July 21 65.8°F
July 25 67.3°F July 20 67.3°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 67.0°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:
2025
2024
2023

The average sea water temperature in August of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.1°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 65.4 °F
June 64.9 °F
Warmest sea temp:
July 65.7 °F
August 65.1 °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
+66°F
N 9 mph
Feels like: +66°F
Precip.: 18%
Places in Norway:
Name
°F
+55°F
+59°F
+55°F
+66°F
+61°F
+59°F
+54°F
+46°F
+52°F
+63°F
24 Hours Forecast
Oslo
Local time: 08:07
July 30, thursday
0900
66°F
N
9 mph
1200
73°F
N
12 mph
1500
75°F
N
12 mph
1800
73°F
N
11 mph
2100
59°F
N
2 mph
July 31, friday
0000
55°F
N
4 mph
0300
54°F
N
5 mph
0600
52°F
NE
3 mph
Units of measurement: °C / °F