Climate averages 1991–2020
Adelaide weather
in October.
A mild, fairly dry month: the 7th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Adelaide: daytime highs average 20.1°C and nights cool to about 11.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 35 mm of rain on roughly 6 days, which makes October a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average October day.
The nearest other city in this atlas is Adelaide Hills (10 km away). In October its highs average 18.4°C, 1.6°C cooler than Adelaide, with 36 mm of rain.
Among the 32 cities listed in Australia, Adelaide ranks 21st of 32 for the warmest October highs and joint 7th of 32 for the driest October (rainfall, lowest first). The mean October high of those 32 cities is 22.2°C; Adelaide is 2.2°C cooler than that mean.
From October to November, average highs rise by 3.1°C to 23.1°C, and monthly rainfall falls from 35 mm to 30 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Adelaide Hills in OctoberAustralia · 10 kmHigh 18.4°C · Low 8.8°C · 36 mm rain
- Bendigo in OctoberAustralia · 551 kmHigh 19.2°C · Low 8.6°C · 45 mm rain
- Ballarat in OctoberAustralia · 555 kmHigh 16.4°C · Low 6.9°C · 62 mm rain
- Geelong in OctoberAustralia · 627 kmHigh 18.0°C · Low 9.6°C · 50 mm rain
- Melbourne in OctoberAustralia · 654 kmHigh 18.8°C · Low 9.4°C · 60 mm rain
- Canberra in OctoberAustralia · 958 kmHigh 18.5°C · Low 6.8°C · 56 mm rain
- Sydney in OctoberAustralia · 1162 kmHigh 21.3°C · Low 13.8°C · 59 mm rain
- Newcastle, Australia in OctoberAustralia · 1235 kmHigh 21.8°C · Low 14.8°C · 63 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.