S
M
T
W
T
F
S
29
41°
31°
30
38°
37°
1
41°
38°
2
45°
37°
3
46°
32°
4
42°
28°
5
39°
27°
6
37°
27°
7
37°
28°
8
38°
28°
9
36°
27°
10
36°
26°
11
37°
25°
12
38°
28°
13
39°
29°
14
38°
31°
15
38°
29°
16
39°
27°
17
37°
25°
18
37°
26°
19
38°
26°
20
37°
27°
21
37°
25°
22
38°
25°
23
36°
31°
24
38°
32°
25
35°
28°
26
34°
29°
27
34°
28°
28
35°
27°
29
35°
28°
30
38°
34°
31
35°
24°
1
34°
22°
2
Hist. Avg.
36°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Potsdam
Potsdam's December 2026 forecast shows daily high temperatures ranging from 34° to 46°, with overnight lows between 22° and 38°. The average high for December is 38° with an average low of 29°. 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 Potsdam. See also: January | February | March.
