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Adelaide Weather by Month
Average temperatures, rainfall and humidity for Adelaide, Australia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Adelaide month looks like before you travel — then check the live Adelaide forecast for the days ahead.
Warmest month
January
29°C average high
Coolest month
July
9°C average low
Wettest month
July
74 mm of rain
Driest month
February
19 mm of rain
Average temperature and rainfall in Adelaide 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 | 29°C | 18°C | 11°C / 45°C | 23 mm | 52% | 17 km/h |
| February | 28°C | 18°C | 10°C / 42°C | 19 mm | 54% | 16 km/h |
| March | 26°C | 16°C | 9°C / 39°C | 31 mm | 58% | 16 km/h |
| April | 22°C | 14°C | 7°C / 36°C | 39 mm | 63% | 15 km/h |
| May | 18°C | 11°C | 3°C / 30°C | 59 mm | 69% | 16 km/h |
| June | 16°C | 9°C | 2°C / 23°C | 62 mm | 76% | 15 km/h |
| July | 15°C | 9°C | 3°C / 21°C | 74 mm | 75% | 16 km/h |
| August | 16°C | 9°C | 1°C / 26°C | 61 mm | 72% | 16 km/h |
| September | 18°C | 10°C | 3°C / 31°C | 57 mm | 65% | 17 km/h |
| October | 22°C | 12°C | 5°C / 37°C | 37 mm | 60% | 17 km/h |
| November | 24°C | 14°C | 7°C / 40°C | 33 mm | 57% | 18 km/h |
| December | 27°C | 16°C | 8°C / 43°C | 23 mm | 53% | 18 km/h |
Best time to visit Adelaide
The most comfortable time to visit Adelaide is generally March to April and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around July, totalling about 519 mm a year.
Travellers who prefer heat should aim for January, when highs average 29°C. July is the month to avoid if rain would spoil your plans — it averages 74 mm, roughly 4× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Adelaide forecast for what is happening now.