Adelaide weather in October
October in Adelaide: nice, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Adelaide · #62 of 604 destinations to visit in October · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Adelaide climate normals — October
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 48 mm / 1.9 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 9°C / 47°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 13 h | |
| Wind | 25 km/h / 16 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Adelaide in October — FAQ
- Is October a good time to visit Adelaide?
- October in Adelaide: nice, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Adelaide on SeasonMap's comfort score (89/100).
- What is the weather like in Adelaide in October?
- In October, Adelaide averages a daily high of 19.7°C and a low of 11.9°C, with about 47.9 mm of rain over roughly 8 rainy days.
- What is the air quality in Adelaide in October?
- Adelaide has a mean US Air Quality Index of about 27 in October.