S
M
T
W
T
F
S
27
65°
42°
28
66°
44°
29
67°
50°
30
69°
46°
31
71°
43°
1
70°
42°
2
67°
43°
3
67°
41°
4
65°
40°
5
65°
40°
6
66°
41°
7
64°
41°
8
65°
42°
9
65°
43°
10
68°
43°
11
69°
44°
12
69°
44°
13
70°
46°
14
69°
45°
15
70°
48°
16
68°
45°
17
69°
48°
18
68°
44°
19
66°
47°
20
Hist. Avg.
69°
50°
21
Hist. Avg.
69°
50°
22
Hist. Avg.
69°
50°
23
Hist. Avg.
69°
50°
24
Hist. Avg.
69°
50°
25
Hist. Avg.
69°
50°
26
Hist. Avg.
69°
50°
27
Hist. Avg.
69°
50°
28
Hist. Avg.
69°
50°
29
Hist. Avg.
69°
50°
30
Hist. Avg.
69°
50°
31
Hist. Avg.
69°
50°
1
Hist. Avg.
69°
50°
2
Hist. Avg.
69°
50°
3
Hist. Avg.
69°
50°
4
Hist. Avg.
69°
50°
5
Hist. Avg.
69°
50°
6
Hist. Avg.
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Monrovia
Monrovia's January 2027 forecast shows daily high temperatures ranging from 64° to 71°, with overnight lows between 40° and 50°. The average high for January is 67° with an average low of 44°. 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 Monrovia. See also: February | March | April.
