Australia
Adelaide in December
☀️ SummerPleasant and mostly dry.
🎒 Pack: sunglasses & hat
Why December scores 9.9What goes into the score
How it works- Weather comfort10.0
- ✓Comfortable temperatures (26°C highs / 15°C lows)
- ✓Comfortable humidity (dew point 9.1°C)
- ✓Mostly dry (~28 mm rain)
- Air quality10.0
- ✓Good (within WHO guideline) (PM2.5 ~5 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline8.5
- ·Normal precautions
| Dec | Mar | |
|---|---|---|
| Score | 9.9 Excellent | 9.9 Excellent |
| Season | ☀️ Summer | 🍂 Autumn |
| High / low | 26° / 15° | 26° / 15° |
| Rain | 28 mm | 25 mm |
| Humidity | dew pt 9° | dew pt 11° |
| PM2.5 | 5 µg/m³ | 4 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Adelaide Airport weather-station normals. Rainfall: Adelaide Airport M.O. weather-station normals (national met service).
Holidays & crowdsDecember 2026
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- Christmas Day 25–27 Dec · 3 days off in a row
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore AdelaideEvents, sights, food & souvenirs
Check event dates locallySouth Australia's capital, a relaxed, walkable city known for its festivals, food market and access to famous wine regions like the Barossa and McLaren Vale.
No major events on our calendar for December.
Coming up later
Santos Tour Down UnderDate variesUsually mid-to-late January
A professional road cycling race that opens the international cycling season.
Why go: Free to watch along the roadside; expect road closures on stage days.
Where: Adelaide and surrounding regions
Adelaide FringeDate variesUsually mid-February to mid-March
One of the world's largest open-access arts festivals, with comedy, cabaret, music and street performance.
Why go: Accommodation fills fast; many shows are cheap and pop-up venues run late.
Where: Venues across the city
Adelaide FestivalDate variesUsually late February to mid-March
A curated international festival of theatre, music, dance and visual arts.
Why go: Overlaps with the Fringe and WOMADelaide, making March the busiest month.
Where: Theatres and venues across the city
Adelaide Central Market
A large covered produce market in the city centre, operating since 1869.
Barossa Valley
One of Australia's best-known wine regions, about an hour's drive north-east, famous for Shiraz.
💡 Book a tour or designated driver if you plan to taste at several cellar doors.
McLaren Vale
A wine region south of the city near the coast, home to the d'Arenberg Cube.
Glenelg
A beachside suburb reached by the tram from the city centre, with a jetty and seafront promenade.
Adelaide Botanic Garden
Large historic gardens on North Terrace with a Victorian-era palm house and the Bicentennial Conservatory.
Kangaroo Island
An island south-west of Adelaide known for wildlife such as sea lions, kangaroos and koalas.
💡 Reached by ferry from Cape Jervis or a short flight; allow at least two days.
Pie floater
A meat pie served upside down in thick pea soup, a long-standing Adelaide late-night food.
💡 Pie carts and bakeries
King George whiting
A prized local white fish, often served simply grilled or battered.
💡 Seafood restaurants and fish-and-chip shops
Farmers Union Iced Coffee
A flavoured milk drink made in South Australia with a strong local following.
💡 Supermarkets and service stations
FruChocs
Apricot and peach centres coated in chocolate, a South Australian confectionery classic.
Barossa Shiraz
Full-bodied red wine from the Barossa Valley's old vines.
💡 Cellar doors and city wine bars
Haigh's Chocolates
Chocolate from an Adelaide family company founded in 1915.
💡 Haigh's stores in the city
South Australian wine
Bottles from the Barossa, McLaren Vale, Clare Valley or Adelaide Hills.
💡 Cellar doors and bottle shops
Opal
South Australia produces most of the world's opal, mainly from Coober Pedy.
💡 Jewellers in the city centre