Current Sea Water Temperature:
+39.2°F
| Maximum Sea Water Temperature in December: | 45.4°F |
| Minimum Sea Water Temperature in December: | 26.6°F |
| Average water temperature in December: | 37.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 14 | 39.2°F | December 09 | 41.4°F |
| December 13 | 39.4°F | December 08 | 41.8°F |
| December 12 | 39.4°F | December 07 | 41.4°F |
| December 11 | 40.8°F | December 06 | 41.6°F |
| December 10 | 43.4°F | December 05 | 42.0°F |
When is the Warmest Sea for Oslo?
According to our data for the last three years for Oslo the highest average sea water temperature was in July, August and June.
Average Water Temperature by Month, °F
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Oslo was 69.6°F. The maximum and minimum values were 63.8°F and 74.8°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Oslo was 67.8°F. The maximum and minimum values were 64.6°F and 71.4°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2025 for Oslo was 59.0°F. The maximum and minimum values were 54.4°F and 64.8°F respectively.
Norway Resorts:
NAME
F°
| Ålesund |  |
+44 |
| Bergen | |
+46 |
| Flam |  |
+28 |
| Hemsedal |  |
+36 |
| Holmenkollen |  |
+46 |
| Lillehammer | |
+34 |
| Oslo | |
+46 |
| Stavanger | |
+48 |
| Tromse | |
+24 |
| Trondheim | |
+36 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Oslo
Local time: 07:59
15 dec, monday
| 0900 |  |
46°F | N 13 mph |
| 1200 | |
46°F | N 9 mph |
| 1500 | |
46°F | N 7 mph |
| 1800 |  |
46°F | N 7 mph |
| 2100 | |
44°F | N 7 mph |
16 dec, tuesday
| 0000 | |
44°F | N 7 mph |
| 0300 | |
44°F | N 7 mph |
| 0600 | |
46°F | N 9 mph |