Adelaide Weather in October

October in Adelaide sees daytime temperatures around 20°C (68°F) and lows of 11°C (52°F) at night. The perfect weather makes it a good time to visit.

Rainfall in Adelaide in October

You can typically expect 9 days of rain this month, averaging around 39 mm (1.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Adelaide in October

Adelaide has perfect weather in October, with days reaching 20°C (68°F) and nights cooling to 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Adelaide in October

Expect sunny days throughout the month, with an estimated 259 hours of sunshine. This makes it a pleasant time to visit Adelaide.

Wind Speed in Adelaide in October

Wind speeds average 5 m/s (10 knots) during October. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in October

The water sits at 21°C (70°F), which is a nice temperature for swimming. Not too cold, not too warm — most visitors are happy to spend time in the water.

If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Adelaide.

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For a detailed overview over the year and the best time to visit Australia, check out our Adelaide's climate page.

Adelaide Temperature in October

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Water Temperature 21°C (70°F)  

Chance of Rain 30%  

Precipitation 39 mm (1.5 in)  

Rainy days 9 days  

Humidity 45%  

Windspeed 5 m/s (10 knots)  

Sunshine 259 hours  

Percentage Sunshine 52%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Adelaide typically stay consistent throughout October, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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‹ January February March April May June July August September October November December ›

Historical weather for Adelaide in October

Browse day-by-day weather records for Adelaide spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Adelaide historical weather extremes in October

Based on 44 years of weather observations (1981-2025), these are the most extreme conditions recorded in Adelaide.

• On October 31, 1987, temperatures climbed to 38°C (100°F), marking the warmest October day on record.
• On October 7, 2020, Adelaide saw its coldest October day with temperatures maxing out at 11°C (52°F).
• Adelaide registered its coldest October night on October 7, 1990, with temperatures dropping to 4°C (39°F).

What to Wear in Adelaide in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. With water temperatures around 21°C (70°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Adelaide in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Adelaide's climate page.

More climate data for Adelaide

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Adelaide climate overview or explore weather in Australia.