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