S
M
T
W
T
F
S
29
48°
35°
30
49°
34°
1
42°
31°
2
43°
33°
3
41°
32°
4
40°
29°
5
39°
29°
6
41°
31°
7
40°
31°
8
39°
30°
9
40°
30°
10
43°
31°
11
41°
30°
12
38°
29°
13
36°
26°
14
31°
26°
15
36°
29°
16
36°
28°
17
42°
30°
18
43°
28°
19
40°
28°
20
36°
26°
21
33°
25°
22
35°
27°
23
40°
27°
24
37°
26°
25
26°
14°
26
29°
19°
27
31°
21°
28
32°
18°
29
33°
22°
30
32°
14°
31
33°
10°
1
27°
10°
2
24°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Silvis
Silvis's December 2026 forecast shows daily high temperatures ranging from 24° to 49°, with overnight lows between 10° and 35°. The average high for December is 37° 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 Silvis. See also: January | February | March.
