S
M
T
W
T
F
S
27
28°
-3°
28
24°
0°
29
15°
4°
30
19°
2°
31
19°
-2°
1
15°
1°
2
15°
5°
3
20°
5°
4
25°
-4°
5
25°
-7°
6
14°
3°
7
16°
0°
8
22°
-5°
9
19°
-1°
10
13°
2°
11
16°
0°
12
15°
3°
13
21°
2°
14
23°
3°
15
26°
7°
16
26°
7°
17
Hist. Avg.
15°
-4°
18
Hist. Avg.
15°
-4°
19
Hist. Avg.
15°
-4°
20
Hist. Avg.
16°
-4°
21
Hist. Avg.
16°
-4°
22
Hist. Avg.
16°
-4°
23
Hist. Avg.
16°
-3°
24
Hist. Avg.
16°
-3°
25
Hist. Avg.
16°
-3°
26
Hist. Avg.
16°
-3°
27
Hist. Avg.
16°
-3°
28
Hist. Avg.
17°
-3°
29
Hist. Avg.
17°
-3°
30
Hist. Avg.
17°
-3°
31
Hist. Avg.
17°
-3°
1
Hist. Avg.
17°
-2°
2
Hist. Avg.
18°
-2°
3
Hist. Avg.
18°
-2°
4
Hist. Avg.
18°
-2°
5
Hist. Avg.
18°
-2°
6
Hist. Avg.
18°
-2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Perth
Perth's January 2027 forecast shows daily high temperatures ranging from 13° to 28°, with overnight lows between -7° and 7°. The average high for January is 20° with an average low of 1°. 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 Perth. See also: February | March | April.
