Adelaide, Australia Climate & Monthly Averages
The climate of Adelaide
Weather in Adelaide is shaped by its Mediterranean climate - expect hot, dry summers and mild, wetter winters. January afternoons typically reach 82°F (28°C), while July highs hover near 57°F (14°C). Annual precipitation averages 24.5 inches (622 mm) over about 98 rainy days.
Climate quick facts
- Hottest month: January - highs near 82°F (28°C)
- Coldest month: July - highs near 57°F (14°C)
- Record high: 109°F (43°C) · Record low: 34°F (1°C) (2015–2024)
- Wettest month: June (12 rainy days) · Sunniest: December (12.5 h sun/day)
- Climate type: Mediterranean - hot, dry summers and mild, wetter winters
Temperatures through the year
The warmest stretch of the year centers on January. Highs average 82°F (28°C) and overnight lows stay near 62°F (17°C). The coolest month is July, with typical highs of 57°F (14°C) and lows around 47°F (8°C). Based on 2015–2024 weather data, temperatures have reached as high as 109°F (43°C) and dropped as low as 34°F (1°C).
Rain, sun and snow
June is usually the wettest month. It brings about 3.4 inches (87 mm) of rain over 12 days, while March is the driest. December brings the most sunshine, averaging 12.5 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 82° | 62° | 5 | 1.5 in | 12.4 h/day | 55% |
| February | 80° | 62° | 3 | 0.9 in | 11.8 h/day | 55% |
| March | 77° | 60° | 4 | 0.7 in | 10.9 h/day | 59% |
| April | 71° | 55° | 7 | 1.9 in | 9.4 h/day | 63% |
| May | 63° | 51° | 11 | 2.7 in | 8.3 h/day | 71% |
| June | 58° | 48° | 12 | 3.4 in | 7.7 h/day | 76% |
| July | 57° | 47° | 13 | 3.3 in | 8.2 h/day | 77% |
| August | 59° | 47° | 13 | 3.3 in | 8.7 h/day | 75% |
| September | 63° | 49° | 11 | 2.2 in | 9.9 h/day | 69% |
| October | 69° | 52° | 8 | 1.8 in | 11.0 h/day | 63% |
| November | 73° | 56° | 7 | 1.7 in | 11.7 h/day | 60% |
| December | 79° | 59° | 4 | 1.0 in | 12.5 h/day | 54% |
Adelaide month by month
Adelaide weather in January
January brings highs around 82°F (28°C), lows near 62°F (17°C), about 5 wet days - typically the hottest month of the year in Adelaide.
Adelaide weather in February
February brings highs around 80°F (27°C), lows near 62°F (16°C), about 3 wet days.
Adelaide weather in March
March brings highs around 77°F (25°C), lows near 60°F (16°C), about 4 wet days - typically the driest month of the year in Adelaide.
Adelaide weather in April
April brings highs around 71°F (21°C), lows near 55°F (13°C), about 7 wet days.
Adelaide weather in May
May brings highs around 63°F (17°C), lows near 51°F (11°C), about 11 wet days.
Adelaide weather in June
June brings highs around 58°F (15°C), lows near 48°F (9°C), about 12 wet days - typically the wettest month of the year in Adelaide.
Adelaide weather in July
July brings highs around 57°F (14°C), lows near 47°F (8°C), about 13 wet days - typically the coldest month of the year in Adelaide.
Adelaide weather in August
August brings highs around 59°F (15°C), lows near 47°F (8°C), about 13 wet days.
Adelaide weather in September
September brings highs around 63°F (17°C), lows near 49°F (9°C), about 11 wet days.
Adelaide weather in October
October brings highs around 69°F (21°C), lows near 52°F (11°C), about 8 wet days.
Adelaide weather in November
November brings highs around 73°F (23°C), lows near 56°F (13°C), about 7 wet days.
Adelaide weather in December
December brings highs around 79°F (26°C), lows near 59°F (15°C), about 4 wet days - typically the sunniest month of the year in Adelaide.
Seasons in Adelaide
Spring (September through November)
Spring in Adelaide is mild and warm, with daytime highs averaging 68°F (20°C) and nights around 52°F (11°C); expect showers on roughly 25 days across the season.
Summer (December through February)
Summer in Adelaide is mild and warm, with daytime highs averaging 80°F (27°C) and nights around 61°F (16°C); rain falls on about 12 days over the three months.
Fall (March through May)
Fall in Adelaide is pleasantly warm, with daytime highs averaging 70°F (21°C) and nights around 56°F (13°C); expect showers on roughly 22 days across the season.
Winter (June through August)
Winter in Adelaide is mild, with daytime highs averaging 58°F (14°C) and nights around 47°F (8°C); expect showers on roughly 38 days across the season.
Climate questions, answered
What is the average temperature in Adelaide?
Is Adelaide hot in summer?
Is Adelaide cold in winter?
How many rainy days does Adelaide get in a year?
Best time to visit Adelaide
The best time to visit Adelaide is generally January to April and October to November, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 75°F (24°C).
Pack for Adelaide with a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - January nights average 62°F (17°C).
Adelaide temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.