20.12
sat
sat
Day
39°F
NE 3 mph
Precip.
0%
0%
Night
32°F
S 2 mph
Precip.
0%
0%
21.12
sun
sun
Day
34°F
S 2 mph
Precip.
0%
0%
Night
30°F
S 2 mph
Precip.
0%
0%
22.12
mon
mon
Day
30°F
S 3 mph
Precip.
0%
0%
Night
28°F
S 5 mph
Precip.
0%
0%
23.12
tue
tue
Day
32°F
S 3 mph
Precip.
0%
0%
Night
28°F
E 2 mph
Precip.
0%
0%
24.12
wed
wed
Day
28°F
SE 2 mph
Precip.
0%
0%
Night
27°F
SE 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
28°F
S 3 mph
Precip.
0%
0%
Night
27°F
SE 3 mph
Precip.
0%
0%
26.12
fri
fri
Day
28°F
SE 2 mph
Precip.
0%
0%
Night
28°F
S 4 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 42.3°F. The highest and lowest sea temperatures during the month were 45.0°F and 40.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 36.1°F. The highest and lowest sea temperatures during the month were 40.5°F and 31.3°F.
Air temperature in Oslo, °F
Precipitation total in Oslo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oslo
Oslo on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Oslo
Local time: 11:43
December 20, saturday
1200
39°F
NE
3 mph
3 mph
1500
37°F
SE
2 mph
2 mph
1800
34°F
SE
3 mph
3 mph
2100
34°F
S
4 mph
4 mph
December 21, sunday
0000
32°F
S
2 mph
2 mph
0300
32°F
S
4 mph
4 mph
0600
32°F
S
3 mph
3 mph
0900
32°F
S
3 mph
3 mph
