S
M
T
W
T
F
S
27
39°
22°
28
38°
21°
29
39°
23°
30
40°
26°
31
44°
22°
1
43°
19°
2
38°
17°
3
34°
21°
4
37°
25°
5
41°
35°
6
46°
31°
7
52°
20°
8
51°
18°
9
36°
19°
10
36°
19°
11
38°
16°
12
35°
15°
13
33°
16°
14
34°
15°
15
33°
18°
16
37°
24°
17
44°
21°
18
41°
17°
19
43°
16°
20
33°
18°
21
36°
25°
22
42°
33°
23
47°
35°
24
51°
34°
25
52°
32°
26
50°
31°
27
47°
28°
28
44°
27°
29
41°
22°
30
39°
20°
31
Hist. Avg.
45°
25°
1
Hist. Avg.
46°
25°
2
Hist. Avg.
46°
26°
3
Hist. Avg.
46°
26°
4
Hist. Avg.
46°
26°
5
Hist. Avg.
46°
26°
6
Hist. Avg.
46°
26°
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 33° to 52°, with overnight lows between 15° and 35°. The average high for January is 41° with an average low of 23°. 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.
