S
M
T
W
T
F
S
29
34°
22°
30
33°
20°
1
32°
20°
2
32°
19°
3
33°
22°
4
36°
22°
5
36°
24°
6
34°
28°
7
31°
29°
8
31°
29°
9
32°
21°
10
30°
22°
11
42°
25°
12
38°
27°
13
38°
22°
14
41°
20°
15
33°
16°
16
29°
19°
17
28°
20°
18
31°
23°
19
36°
26°
20
37°
26°
21
39°
25°
22
40°
25°
23
39°
27°
24
39°
29°
25
43°
21°
26
43°
19°
27
38°
17°
28
30°
20°
29
30°
23°
30
37°
23°
31
37°
26°
1
39°
28°
2
40°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Swiftwater
Swiftwater's December 2026 forecast shows daily high temperatures ranging from 28° to 43°, with overnight lows between 16° and 29°. The average high for December is 35° with an average low of 23°. 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 Swiftwater. See also: January | February | March.
