S
M
T
W
T
F
S
30
23°
16°
1
23°
18°
2
34°
16°
3
34°
7°
4
18°
-4°
5
37°
16°
6
36°
25°
7
25°
1°
8
32°
7°
9
46°
30°
10
41°
23°
11
25°
18°
12
28°
16°
13
16°
-6°
14
14°
-6°
15
37°
14°
16
46°
27°
17
48°
34°
18
50°
16°
19
36°
12°
20
43°
25°
21
46°
18°
22
52°
36°
23
50°
34°
24
46°
32°
25
48°
39°
26
46°
41°
27
48°
43°
28
48°
9°
29
18°
9°
30
37°
10°
31
46°
30°
1
30°
16°
2
27°
23°
3
34°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Swan
Swan's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Swan. See also: January | February | March.
