S
M
T
W
T
F
S
28
90°
72°
29
90°
71°
30
90°
70°
31
89°
69°
1
89°
71°
2
89°
72°
3
89°
70°
4
88°
69°
5
90°
72°
6
91°
74°
7
88°
72°
8
86°
69°
9
84°
66°
10
84°
65°
11
86°
67°
12
88°
70°
13
89°
72°
14
90°
71°
15
91°
73°
16
91°
72°
17
91°
72°
18
91°
73°
19
90°
72°
20
91°
71°
21
90°
70°
22
90°
69°
23
90°
71°
24
89°
70°
25
90°
69°
26
89°
69°
27
90°
70°
28
91°
71°
29
89°
72°
30
92°
71°
31
92°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Phnom Penh
Phnom Penh's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 Phnom Penh. See also: February | March | April.
