South Australia Climate and Average Weather
Climate of South Australia: average temperatures, rainfall and seasons month by month.
Climate in South Australia month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 100° | 73° | 1,2 in | ★★★★☆ |
| February | 96° | 72° | 1,1 in | ★★★★☆ |
| March | 90° | 69° | 0,9 in | ★★★★★ |
| April | 80° | 58° | 0,0 in | ★★★★★ |
| May | 71° | 50° | 0,6 in | ★★★★★ |
| June | 65° | 47° | 0,5 in | ★★★★☆ |
| July | 63° | 44° | 0,9 in | ★★★★☆ |
| August | 69° | 48° | 0,8 in | ★★★★☆ |
| September | 78° | 53° | 0,4 in | ★★★★★ |
| October | 85° | 59° | 0,6 in | ★★★★★ |
| November | 89° | 64° | 1,1 in | ★★★★★ |
| December | 94° | 67° | 0,7 in | ★★★★★ |
Climate type: Semi-arid. Source: Open-Meteo archive (ERA5).
Recent extremes in South Australia
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
Climate by city in South Australia
1 cities mapped in this atlas
Best time to visit South Australia
Go in March, April, May, August, September, October, November and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and July - expect the least comfortable mix of heat, cold or rain.
What this means for South Australia
Today is much colder than average for October. The forecast high of 70°F is 14.9°F below the 85°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Southern Hemisphere, so peak summer falls in December to February.
The gap between the warmest and coldest month averages 66°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 75°F, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- High-factor sunscreen and a long-sleeve sun layer for midday
- Avoid unshaded sightseeing between 10am and 4pm - the UV index peaks at 8.
- If your dates are flexible, avoid January, February and July - historically the least comfortable months here.
Summary
South Australia is a state in Australia. South Australia is an Australian state or territory. It has a population of about 1.9 million. The capital is Adelaide.
Right now it is 66°F (19°C) in South Australia with partly cloudy. It feels like 65°F. Today runs from 49°F to 70°F. Chance of precipitation is 4%. Sightseeing conditions score 9.5/10 - excellent - go now.
The best time to visit South Australia is March, April, May, August, September, October, November and December. The climate is semi-arid. January, February and July tend to be the least comfortable months. January is the warmest month with average highs near 100°F, while July is the coldest with lows near 44°F.
In plain terms. Today is much colder than average for October. The forecast high of 70°F is 14.9°F below the 85°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in South Australia today at 9.5/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about South Australia
| Type | State |
|---|---|
| Country | Australia |
| Continent | Oceania |
| Coordinates | 30°0′0.7″S 136°12′33.1″E (-30.0002, 136.2092) |
| Capital | Adelaide |
| Population | 1.850.000 |
| Area | 379.724 sq mi |
| Time zone | Australia/Adelaide |
| Local time | 10:11 AM (UTC+10:30) |
| Best months | March, April, May, August, September, October, November and December |
| Climate | Semi-arid |
Weather map for South Australia
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore South Australia
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is South Australia?
South Australia is a state in Australia. Its coordinates are -30.0002, 136.2092. It lies in Oceania.
What is the weather like in South Australia right now?
It is currently 66°F (19°C) with partly cloudy. Humidity is 43% and wind is 7 mph.
When is the best time to visit South Australia?
March, April, May, August, September, October, November and December offer the most comfortable conditions in South Australia, which has a semi-arid climate. January, February and July are usually the hardest months for outdoor plans.
What time zone is South Australia in?
South Australia observes Australia/Adelaide (UTC+10:30). The local time is 10:11 AM.
How many people live in South Australia?
South Australia has a population of approximately 1.9 million.
What places are in South Australia?
South Australia covers 1 places in this atlas, including Adelaide.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (au-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 27, 2026 at 10:11 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
