Climate averages 1991–2020
Adelaide weather
in August.
A cool, moderately wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Adelaide: daytime highs average 14.6°C and nights cool to about 8.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 58 mm of rain on roughly 11 days, which makes August a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 49 min on an average August day.
The nearest other city in this atlas is Adelaide Hills (10 km away). In August its highs average 12.6°C, 2.0°C cooler than Adelaide, with 56 mm of rain.
Among the 32 cities listed in Australia, Adelaide ranks 22nd of 32 for the warmest August highs and joint 25th of 32 for the driest August (rainfall, lowest first). The mean August high of those 32 cities is 17.6°C; Adelaide is 3.1°C cooler than that mean.
From August to September, average highs rise by 2.4°C to 17.0°C, and monthly rainfall falls from 58 mm to 53 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Adelaide climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.7°C16.6°C | 16.6°C | 19 | 3.3 | 14.214 h |
| February | 27.5°C16.8°C | 16.8°C | 19 | 2.7 | 13.413 h |
| March | 24.8°C15.2°C | 15.2°C | 19 | 3.5 | 12.312 h |
| April | 21.2°C13.2°C | 13.2°C | 36 | 5.6 | 11.211 h |
| May | 17.4°C11.0°C | 11.0°C | 52 | 8.3 | 10.310 h |
| June | 14.5°C9.0°C | 9.0°C | 61 | 9.6 | 9.810 h |
| July | 13.7°C8.2°C | 8.2°C | 64 | 10.4 | 10.010 h |
| August, selected | 14.6°C8.3°C | 8.3°C | 58 | 10.8 | 10.811 h |
| September | 17.0°C9.7°C | 9.7°C | 53 | 9.8 | 11.812 h |
| October | 20.1°C11.2°C | 11.2°C | 35 | 6.4 | 12.913 h |
| November | 23.1°C13.3°C | 13.3°C | 30 | 5.3 | 13.914 h |
| December | 25.3°C15.0°C | 15.0°C | 25 | 4.8 | 14.414 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Adelaide Hills in AugustAustralia · 10 kmHigh 12.6°C · Low 5.9°C · 56 mm rain
- Bendigo in AugustAustralia · 551 kmHigh 12.9°C · Low 5.2°C · 50 mm rain
- Ballarat in AugustAustralia · 555 kmHigh 11.1°C · Low 4.3°C · 66 mm rain
- Geelong in AugustAustralia · 627 kmHigh 13.8°C · Low 7.2°C · 40 mm rain
- Melbourne in AugustAustralia · 654 kmHigh 13.9°C · Low 6.8°C · 51 mm rain
- Canberra in AugustAustralia · 958 kmHigh 11.4°C · Low 1.6°C · 49 mm rain
- Sydney in AugustAustralia · 1162 kmHigh 17.1°C · Low 9.4°C · 53 mm rain
- Newcastle, Australia in AugustAustralia · 1235 kmHigh 17.4°C · Low 10.8°C · 56 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Adelaide) is explained once on the Adelaide year overview and on the Sources, method and limits page.