S
M
T
W
T
F
S
29
35°
11°
30
31°
7°
1
28°
5°
2
29°
10°
3
38°
10°
4
29°
11°
5
27°
8°
6
27°
4°
7
25°
2°
8
26°
4°
9
35°
5°
10
37°
5°
11
36°
6°
12
37°
11°
13
36°
5°
14
27°
11°
15
26°
13°
16
26°
11°
17
25°
1°
18
24°
8°
19
23°
9°
20
24°
12°
21
27°
9°
22
25°
3°
23
24°
14°
24
26°
4°
25
25°
9°
26
27°
14°
27
34°
3°
28
29°
3°
29
24°
4°
30
24°
0°
31
23°
5°
1
24°
10°
2
30°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hayden
Hayden's December 2026 forecast shows daily high temperatures ranging from 23° to 38°, with overnight lows between -0° and 14°. The average high for December is 28° with an average low of 7°. 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 Hayden. See also: January | February | March.
