S
M
T
W
T
F
S
29
53°
41°
30
58°
41°
1
57°
39°
2
50°
33°
3
45°
30°
4
50°
34°
5
54°
39°
6
48°
34°
7
44°
28°
8
42°
24°
9
42°
24°
10
43°
29°
11
43°
29°
12
44°
30°
13
46°
25°
14
45°
25°
15
44°
31°
16
44°
33°
17
45°
29°
18
49°
27°
19
46°
23°
20
44°
22°
21
41°
23°
22
43°
25°
23
46°
27°
24
43°
24°
25
42°
23°
26
42°
22°
27
43°
22°
28
41°
23°
29
41°
23°
30
42°
24°
31
42°
21°
1
41°
17°
2
40°
17°
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 40° to 58°, with overnight lows between 17° and 41°. The average high for December is 45° with an average low of 27°. 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.
