S
M
T
W
T
F
S
29
44°
38°
30
45°
37°
1
45°
37°
2
44°
38°
3
46°
38°
4
46°
37°
5
45°
37°
6
44°
35°
7
44°
35°
8
42°
34°
9
43°
32°
10
41°
35°
11
41°
38°
12
39°
29°
13
38°
31°
14
Hist. Avg.
39°
34°
15
Hist. Avg.
39°
34°
16
Hist. Avg.
39°
34°
17
Hist. Avg.
39°
34°
18
Hist. Avg.
39°
34°
19
Hist. Avg.
39°
34°
20
Hist. Avg.
38°
33°
21
Hist. Avg.
38°
33°
22
Hist. Avg.
38°
33°
23
Hist. Avg.
38°
33°
24
Hist. Avg.
38°
33°
25
Hist. Avg.
38°
33°
26
Hist. Avg.
38°
33°
27
Hist. Avg.
38°
33°
28
Hist. Avg.
38°
33°
29
Hist. Avg.
38°
32°
30
Hist. Avg.
37°
32°
31
Hist. Avg.
37°
32°
1
Hist. Avg.
37°
32°
2
Hist. Avg.
37°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Osterwanna
Osterwanna's December 2026 forecast shows daily high temperatures ranging from 38° to 46°, with overnight lows between 29° and 38°. The average high for December is 43° with an average low of 35°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Osterwanna. See also: January | February | March.
