Climate averages 1991–2020
Adelaide Hills weather
in August.
A cool, moderately wet month: the 10th warmest and one of the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Adelaide Hills: daytime highs average 12.6°C and nights cool to about 5.9°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 56 mm of rain on roughly 11 days, which makes August a moderately wet month (one of the wettest months of the year). 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 (10 km away). In August its highs average 14.6°C, 2.0°C warmer than Adelaide Hills, with 58 mm of rain.
Among the 32 cities listed in Australia, Adelaide Hills ranks 26th of 32 for the warmest August highs and joint 22nd of 32 for the driest August (rainfall, lowest first). The mean August high of those 32 cities is 17.6°C; Adelaide Hills is 5.0°C cooler than that mean.
From August to September, average highs rise by 2.6°C to 15.1°C, and monthly rainfall falls from 56 mm to 55 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 Hills climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.4°C14.3°C | 14.3°C | 21 | 3.5 | 14.214 h |
| February | 26.1°C14.5°C | 14.5°C | 19 | 2.9 | 13.413 h |
| March | 23.2°C12.8°C | 12.8°C | 18 | 3.4 | 12.312 h |
| April | 19.4°C10.7°C | 10.7°C | 33 | 5.2 | 11.211 h |
| May | 15.3°C8.5°C | 8.5°C | 44 | 8.3 | 10.310 h |
| June | 12.4°C6.5°C | 6.5°C | 51 | 9.2 | 9.810 h |
| July | 11.7°C5.7°C | 5.7°C | 56 | 10.3 | 10.010 h |
| August, selected | 12.6°C5.9°C | 5.9°C | 56 | 10.8 | 10.811 h |
| September | 15.1°C7.2°C | 7.2°C | 55 | 9.8 | 11.812 h |
| October | 18.4°C8.8°C | 8.8°C | 36 | 6.8 | 12.913 h |
| November | 21.6°C10.9°C | 10.9°C | 34 | 5.9 | 13.914 h |
| December | 23.9°C12.6°C | 12.6°C | 28 | 5.4 | 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 in AugustAustralia · 10 kmHigh 14.6°C · Low 8.3°C · 58 mm rain
- Bendigo in AugustAustralia · 543 kmHigh 12.9°C · Low 5.2°C · 50 mm rain
- Ballarat in AugustAustralia · 547 kmHigh 11.1°C · Low 4.3°C · 66 mm rain
- Geelong in AugustAustralia · 620 kmHigh 13.8°C · Low 7.2°C · 40 mm rain
- Melbourne in AugustAustralia · 646 kmHigh 13.9°C · Low 6.8°C · 51 mm rain
- Canberra in AugustAustralia · 949 kmHigh 11.4°C · Low 1.6°C · 49 mm rain
- Sydney in AugustAustralia · 1152 kmHigh 17.1°C · Low 9.4°C · 53 mm rain
- Newcastle, Australia in AugustAustralia · 1225 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 Hills) is explained once on the Adelaide Hills year overview and on the Sources, method and limits page.