S
M
T
W
T
F
S
29
56°
38°
30
58°
41°
1
62°
45°
2
60°
45°
3
57°
44°
4
56°
40°
5
57°
37°
6
57°
39°
7
58°
42°
8
58°
41°
9
60°
41°
10
62°
42°
11
61°
42°
12
60°
41°
13
58°
41°
14
59°
44°
15
59°
39°
16
57°
44°
17
Hist. Avg.
56°
38°
18
Hist. Avg.
56°
38°
19
Hist. Avg.
55°
38°
20
Hist. Avg.
55°
38°
21
Hist. Avg.
55°
38°
22
Hist. Avg.
55°
38°
23
Hist. Avg.
55°
38°
24
Hist. Avg.
55°
38°
25
Hist. Avg.
55°
38°
26
Hist. Avg.
55°
38°
27
Hist. Avg.
55°
38°
28
Hist. Avg.
55°
38°
29
Hist. Avg.
55°
38°
30
Hist. Avg.
55°
38°
31
Hist. Avg.
55°
38°
1
Hist. Avg.
55°
38°
2
Hist. Avg.
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Hilmar-Irwin
Hilmar-Irwin's December 2026 forecast shows daily high temperatures ranging from 56° to 62°, with overnight lows between 37° and 45°. The average high for December is 59° with an average low of 41°. 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 Hilmar-Irwin. See also: January | February | March.
