S
M
T
W
T
F
S
29
40°
31°
30
43°
31°
1
44°
29°
2
35°
29°
3
35°
28°
4
37°
26°
5
34°
17°
6
29°
16°
7
31°
26°
8
37°
28°
9
36°
27°
10
37°
28°
11
41°
27°
12
39°
25°
13
34°
21°
14
29°
20°
15
27°
20°
16
32°
25°
17
36°
25°
18
38°
26°
19
39°
25°
20
35°
24°
21
35°
23°
22
30°
22°
23
33°
24°
24
36°
24°
25
30°
18°
26
32°
14°
27
31°
17°
28
29°
20°
29
30°
20°
30
29°
11°
31
29°
12°
1
30°
14°
2
29°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Erin
Erin's December 2026 forecast shows daily high temperatures ranging from 27° to 44°, with overnight lows between 10° and 31°. The average high for December is 34° with an average low of 22°. 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 Erin. See also: January | February | March.
