Adelaide, Australia Weather
Adelaide hourly forecast: next 24 hours
Today's high of 59°F (15°C) is about 4°F (2°C) below the typical September high of 63°F (17°C).
Current conditions in detail
Adelaide weather tomorrow (Thursday, September 17)
Tomorrow in Adelaide looks sunny, with a high of 55° and an overnight low of 44°. Rain is unlikely (5% chance). Winds top out near 9 mph, and the UV index reaches 7 (high).
Adelaide 14-day forecast
About the weather in Adelaide
Adelaide runs on a dry-summer rhythm: the warmest months are also the driest. March averages 18 mm (0.7 in) while the wet season peaks in June at 3.4 inches (87 mm). Highs range from 57°F (14°C) to 82°F (28°C).
Adelaide weather: quick facts
- Hottest month: January - highs near 82°F (28°C)
- Coldest month: July - highs near 57°F (14°C)
- Decade extremes (2015-2024): 109°F (43°C) high · 34°F (1°C) low
- Wettest month: June (12 rainy days) · Sunniest: December (12.5 h sun/day)
- Climate type: Mediterranean
- Annual swing: 11°C between the average warmest and coolest month · day to night: 8°C
- Average humidity: 65%
Temperatures through the year
Six of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through April. January is the warm end of the year, averaging 82°F (28°C) by day and 62°F (17°C) overnight. July sits at the other end of the year: 57°F (14°C) by day, 47°F (8°C) at night. Sunshine averages 10.2 hours a day over the year, peaking in December at 12.5 hours.
Rain, sun and snow
Relative humidity averages 65% across the year, drier than about 79% of the cities we track. Precipitation concentrates in June - 3.4 inches (87 mm) on 12 days - and thins out by March. The gridded 2015-2024 daily record for this location tops out at 109°F (43°C) and bottoms at 34°F (1°C) - decade extremes, not all-time station records.
Season by season
Spring (September through November)
Spring brings comfortable warmth here - highs near 68°F (20°C), nights near 52°F (11°C), and expect showers on roughly 25 days across the season. Daylight is generous - around 10.9 hours of sun a day.
Summer (December through February)
Through summer, Adelaide is mild and warm: 80°F (27°C) by day, 61°F (16°C) after dark, and rain comes on about 12 days over the three months. Daylight is generous - around 12.2 hours of sun a day.
Fall (March through May)
Fall in Adelaide is mild and 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)
Through winter, Adelaide is mild: 58°F (14°C) by day, 47°F (8°C) after dark, and rain falls on around 38 of the 90 days.
Average temperatures in Adelaide by month
| 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% |