S
M
T
W
T
F
S
29
52°
39°
30
55°
39°
1
52°
35°
2
45°
31°
3
41°
31°
4
48°
34°
5
52°
38°
6
44°
33°
7
40°
24°
8
38°
23°
9
38°
24°
10
39°
29°
11
43°
31°
12
44°
30°
13
44°
27°
14
39°
23°
15
39°
28°
16
40°
31°
17
41°
29°
18
43°
26°
19
40°
22°
20
38°
21°
21
35°
22°
22
36°
25°
23
41°
26°
24
38°
26°
25
37°
21°
26
36°
20°
27
36°
20°
28
35°
21°
29
35°
21°
30
36°
22°
31
36°
19°
1
35°
15°
2
34°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sims
Sims's December 2026 forecast shows daily high temperatures ranging from 34° to 55°, with overnight lows between 14° and 39°. The average high for December is 41° with an average low of 26°. 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 Sims. See also: January | February | March.
