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