Adelaide weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: October – April
What is the weather like in Adelaide in October?
In October, Adelaide is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 35 mm. All in all, October is an excellent month for a holiday in Adelaide.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 81 | 94 | 98 |
| Day | 17° | 20° | 24° |
| Night | 9° | 11° | 13° |
| Sea | 14° | 16° | 18° |
| Sun | 7 h | 8 h | 10 h |
| Rain days | 9 | 6 | 5 |
More details for October
- Daylight
- 12 h 55 min06:34 – 19:28
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 47 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+10:30Australia/Adelaide
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 30 %85 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Adelaide in October: quick answers
Is Adelaide hot in October?
No. In October, Adelaide is mild: daytime highs average 20 °C and nights drop to about 11 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Adelaide in October?
Only if you don't mind cold water: in October the sea averages just 15.9 °C. Comfortable swimming is possible from January to March.
Does it rain much in Adelaide in October?
Rain falls on about 6 days, adding up to 35 mm.
Adelaide month by month
The whole year in AdelaideAll destinations: AustraliaWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences