31.12
wed
wed
Day
25°F
NE 2 mph
Precip.
0%
0%
Night
25°F
N 1 mph
Precip.
0%
0%
01.01
thu
thu
Day
27°F
SE 3 mph
Precip.
100%
100%
Night
30°F
S 16 mph
Precip.
0%
0%
02.01
fri
fri
Day
27°F
S 11 mph
Precip.
89%
89%
Night
21°F
S 12 mph
Precip.
72%
72%
03.01
sat
sat
Day
21°F
S 12 mph
Precip.
0%
0%
Night
16°F
S 5 mph
Precip.
0%
0%
04.01
sun
sun
Day
14°F
SE 1 mph
Precip.
0%
0%
Night
14°F
SE 2 mph
Precip.
0%
0%
05.01
mon
mon
Day
16°F
SW 2 mph
Precip.
0%
0%
Night
12°F
S 2 mph
Precip.
0%
0%
06.01
tue
tue
Day
12°F
W 1 mph
Precip.
0%
0%
Night
9°F
S 3 mph
Precip.
0%
0%
07.01
wed
wed
Day
10°F
S 2 mph
Precip.
0%
0%
Night
9°F
S 2 mph
Precip.
0%
0%
08.01
thu
thu
Day
14°F
S 3 mph
Precip.
100%
100%
Night
9°F
SE 3 mph
Precip.
0%
0%
09.01
fri
fri
Day
16°F
NE 2 mph
Precip.
0%
0%
Night
28°F
NE 6 mph
Precip.
0%
0%
10.01
sat
sat
Day
32°F
NE 6 mph
Precip.
0%
0%
Night
32°F
NE 7 mph
Precip.
0%
0%
11.01
sun
sun
Day
27°F
SE 2 mph
Precip.
0%
0%
Night
23°F
S 3 mph
Precip.
0%
0%
12.01
mon
mon
Day
23°F
SW 2 mph
Precip.
100%
100%
Night
25°F
SW 2 mph
Precip.
100%
100%
13.01
tue
tue
Day
27°F
S 12 mph
Precip.
24%
24%
Night
18°F
S 9 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 41.5°F. The highest and lowest sea temperatures during the month were 45.0°F and 36.0°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: 19:13
December 31, wednesday
2100
25°F
W
1 mph
1 mph
January 01, thursday
0000
25°F
N
1 mph
1 mph
0300
25°F
NE
2 mph
2 mph
0600
27°F
S
3 mph
3 mph
0900
27°F
S
4 mph
4 mph
1200
27°F
SE
3 mph
3 mph
1500
27°F
SE
4 mph
4 mph
1800
30°F
S
12 mph
12 mph
