S
M
T
W
T
F
S
27
28°
5°
28
25°
1°
29
19°
7°
30
21°
8°
31
24°
4°
1
23°
-4°
2
20°
3°
3
19°
3°
4
20°
4°
5
24°
10°
6
26°
9°
7
Hist. Avg.
16°
-2°
8
Hist. Avg.
16°
-3°
9
Hist. Avg.
16°
-3°
10
Hist. Avg.
16°
-3°
11
Hist. Avg.
15°
-3°
12
Hist. Avg.
15°
-3°
13
Hist. Avg.
15°
-3°
14
Hist. Avg.
15°
-3°
15
Hist. Avg.
15°
-4°
16
Hist. Avg.
15°
-4°
17
Hist. Avg.
15°
-4°
18
Hist. Avg.
15°
-4°
19
Hist. Avg.
15°
-4°
20
Hist. Avg.
16°
-4°
21
Hist. Avg.
16°
-4°
22
Hist. Avg.
16°
-4°
23
Hist. Avg.
16°
-4°
24
Hist. Avg.
16°
-4°
25
Hist. Avg.
16°
-4°
26
Hist. Avg.
16°
-4°
27
Hist. Avg.
16°
-4°
28
Hist. Avg.
16°
-4°
29
Hist. Avg.
16°
-4°
30
Hist. Avg.
17°
-3°
31
Hist. Avg.
17°
-3°
1
Hist. Avg.
17°
-3°
2
Hist. Avg.
17°
-3°
3
Hist. Avg.
17°
-3°
4
Hist. Avg.
18°
-3°
5
Hist. Avg.
18°
-2°
6
Hist. Avg.
18°
-2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Oslo
Oslo's January 2027 forecast shows daily high temperatures ranging from 19° to 28°, with overnight lows between -4° and 10°. The average high for January is 23° with an average low of 5°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Oslo. See also: February | March | April.
