S
M
T
W
T
F
S
27
35°
21°
28
34°
20°
29
33°
18°
30
34°
17°
31
32°
16°
1
33°
17°
2
34°
18°
3
35°
17°
4
34°
21°
5
35°
18°
6
37°
23°
7
36°
20°
8
38°
23°
9
40°
25°
10
40°
24°
11
39°
24°
12
40°
21°
13
38°
17°
14
33°
22°
15
34°
21°
16
37°
17°
17
34°
18°
18
35°
20°
19
39°
24°
20
28°
13°
21
36°
25°
22
38°
26°
23
Hist. Avg.
33°
16°
24
Hist. Avg.
33°
16°
25
Hist. Avg.
33°
16°
26
Hist. Avg.
33°
17°
27
Hist. Avg.
33°
17°
28
Hist. Avg.
33°
17°
29
Hist. Avg.
33°
17°
30
Hist. Avg.
34°
17°
31
Hist. Avg.
34°
17°
1
Hist. Avg.
34°
17°
2
Hist. Avg.
34°
17°
3
Hist. Avg.
35°
18°
4
Hist. Avg.
35°
18°
5
Hist. Avg.
35°
18°
6
Hist. Avg.
35°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Monticello
Monticello's January 2027 forecast shows daily high temperatures ranging from 28° to 40°, with overnight lows between 13° and 26°. The average high for January is 36° 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 January weather will actually feel in Monticello. See also: February | March | April.
