Wollongong climate: monthly averages: annual mean temperature 15.6 C; warmest month Jan (21.9 C); coldest month Jul (9.4 C).
Annual mean temperature: 15.6 C
Warmest month: Jan (21.9 C)
Coldest month: Jul (9.4 C)
Wettest month: Feb (5.02 mm/day)
All-time record high: 42.1 C
All-time record low: 0.1 C
Wollongong’s climate features mild year-round temperatures, averaging **15.6°C annually**, with warm summers peaking in January (21.9°C) and cool winters dipping in July (9.4°C). Rainfall totals about **923 mm per year**, concentrated in February (5.02 mm/day). Extreme temperatures range from a record high of **42.1°C** to a low of **0.1°C**, reflecting occasional heatwaves and rare cold snaps. |January averages **21.9°C**, making it the hottest month of the year. |The city receives roughly **923 mm per year**, with February being the wettest month.
Annual mean temperature 15.6 C
Warmest month Jan (21.9 C)
Coldest month Jul (9.4 C)
Wettest month Feb (5.02 mm/day)
All-time record high 42.1 C
All-time record low 0.1 C
Annual precipitation 923 mm / year
Coordinates -34.424, 150.89345
Population 280,153
Average monthly temperature and rainfall in Wollongong
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
21.9
2.59
41.4
10.3
Feb
20.6
5.02
42.1
9.8
Mar
18.8
3.39
34.5
8.0
Apr
16.0
2.38
31.6
4.3
May
12.7
1.77
25.4
3.0
Jun
10.3
3.16
21.9
0.1
Jul
9.4
1.70
22.5
0.1
Aug
10.2
1.86
24.0
0.5
Sep
13.1
1.49
31.8
2.5
Oct
15.8
2.10
33.5
4.4
Nov
18.2
2.80
39.4
5.1
Dec
19.9
2.31
41.0
7.7
What the Wollongong climate table shows
Values are multi-decadal climatological averages for the -34.424, 150.89345 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.