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