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Wollongong Weather by Month
Average temperatures, rainfall and humidity for Wollongong, Australia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Wollongong month looks like before you travel — then check the live Wollongong forecast for the days ahead.
Warmest month
January
27°C average high
Coolest month
July
9°C average low
Wettest month
March
127 mm of rain
Driest month
July
47 mm of rain
Average temperature and rainfall in Wollongong by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 27°C | 19°C | 12°C / 44°C | 74 mm | 76% | 16 km/h |
| February | 27°C | 18°C | 11°C / 42°C | 79 mm | 77% | 15 km/h |
| March | 25°C | 17°C | 11°C / 39°C | 127 mm | 78% | 15 km/h |
| April | 23°C | 14°C | 6°C / 34°C | 91 mm | 75% | 13 km/h |
| May | 20°C | 11°C | 2°C / 27°C | 54 mm | 73% | 13 km/h |
| June | 17°C | 9°C | 2°C / 24°C | 77 mm | 75% | 14 km/h |
| July | 17°C | 9°C | 0°C / 26°C | 47 mm | 68% | 16 km/h |
| August | 18°C | 9°C | -1°C / 29°C | 61 mm | 68% | 16 km/h |
| September | 21°C | 11°C | 2°C / 34°C | 48 mm | 66% | 16 km/h |
| October | 23°C | 13°C | 5°C / 36°C | 52 mm | 70% | 15 km/h |
| November | 25°C | 16°C | 6°C / 43°C | 65 mm | 71% | 16 km/h |
| December | 27°C | 17°C | 9°C / 41°C | 74 mm | 72% | 16 km/h |
Best time to visit Wollongong
The most comfortable time to visit Wollongong is generally September to November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around March, totalling about 849 mm a year.
Travellers who prefer heat should aim for January, when highs average 27°C. March is the month to avoid if rain would spoil your plans — it averages 127 mm, roughly 3× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Wollongong forecast for what is happening now.