Adelaide in Summer — Weather & What to Expect
Summer in Adelaide (December, January, February) averages daytime highs of 26.0°C and lows of 15.6°C, with around 98.9mm of rain across the season (13 rainy days in total). It includes some of the best months of the year to visit (December, January, February).
In the southern hemisphere, summer in Adelaide covers December, January, February.
Summer in Adelaide month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| December | 24.7°C | 14.1°C | 28.2mm | 5 | 10/10 |
| January | 27.4°C | 16.6°C | 32.4mm | 5 | 10/10 |
| February | 26.0°C | 16.0°C | 38.3mm | 3 | 10/10 |
What to pack for Adelaide in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Frequently Asked Questions
Is summer a good time to visit Adelaide?
Summer in Adelaide rates around 10/10 — excellent time to visit. Average highs are 26.0°C with 98.9mm of rain across the season.
How hot is Adelaide in summer?
Daytime highs average 26.0°C (78.8°F) across December, January, February, with nights around 15.6°C.
What months are summer in Adelaide?
Adelaide is in the southern hemisphere, so summer covers December, January, February.
See also: best time to visit Adelaide · Adelaide annual climate · Adelaide in spring · Adelaide in autumn · Adelaide in winter
Compare Hertz, Avis, Budget, Sixt and 800+ rental companies — book now, pay at pickup.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youAs an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Once you know what summer in Adelaide looks like, find out exactly what to pack for Adelaide at 247PackingList. For currency, language and country facts, see the Australia guide at 247CountryInfo.
Summer in Adelaide — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Australia at 247Sizing before you shop.
More summer travel essentials
Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.