Adelaide, Australia Climate & Monthly Averages
The climate of 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).
Climate 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.
How Adelaide compares
- Adelaide sits close to the middle of our dataset on most measures: 62°F (16°C) as an annual average, 24.5 inches (622 mm) of precipitation and 10.2 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 82° | 62° | 5 | 1.5 in | 12.4 h/day | 14.3 h | 15% | 55% |
| February | 80° | 62° | 3 | 0.9 in | 11.8 h/day | 13.4 h | 9% | 55% |
| March | 77° | 60° | 4 | 0.7 in | 10.9 h/day | 12.4 h | 13% | 59% |
| April | 71° | 55° | 7 | 1.9 in | 9.4 h/day | 11.3 h | 25% | 63% |
| May | 63° | 51° | 11 | 2.7 in | 8.3 h/day | 10.3 h | 35% | 71% |
| June | 58° | 48° | 12 | 3.4 in | 7.7 h/day | 9.8 h | 41% | 76% |
| July | 57° | 47° | 13 | 3.3 in | 8.2 h/day | 10.0 h | 41% | 77% |
| August | 59° | 47° | 13 | 3.3 in | 8.7 h/day | 10.8 h | 43% | 75% |
| September | 63° | 49° | 11 | 2.2 in | 9.9 h/day | 11.9 h | 36% | 69% |
| October | 69° | 52° | 8 | 1.8 in | 11.0 h/day | 13.0 h | 25% | 63% |
| November | 73° | 56° | 7 | 1.7 in | 11.7 h/day | 14.0 h | 22% | 60% |
| December | 79° | 59° | 4 | 1.0 in | 12.5 h/day | 14.5 h | 15% | 54% |
Adelaide month by month
Average high and low for each month, with the bar showing where it sits in Adelaide's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 5 days
- Sunshine
- 12.4 h
- Daylight
- 14.3 h
February
- Rain
- 3 days
- Sunshine
- 11.8 h
- Daylight
- 13.4 h
March
- Rain
- 4 days
- Sunshine
- 10.9 h
- Daylight
- 12.4 h
April
- Rain
- 7 days
- Sunshine
- 9.4 h
- Daylight
- 11.3 h
May
- Rain
- 11 days
- Sunshine
- 8.3 h
- Daylight
- 10.3 h
June
- Rain
- 12 days
- Sunshine
- 7.7 h
- Daylight
- 9.8 h
July
- Rain
- 13 days
- Sunshine
- 8.2 h
- Daylight
- 10.0 h
August
- Rain
- 13 days
- Sunshine
- 8.7 h
- Daylight
- 10.8 h
September
- Rain
- 11 days
- Sunshine
- 9.9 h
- Daylight
- 11.9 h
October
- Rain
- 8 days
- Sunshine
- 11.0 h
- Daylight
- 13.0 h
November
- Rain
- 7 days
- Sunshine
- 11.7 h
- Daylight
- 14.0 h
December
- Rain
- 4 days
- Sunshine
- 12.5 h
- Daylight
- 14.5 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Adelaide
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.
Climate questions, answered
How hot does Adelaide get in summer?
How often does it rain in Adelaide?
What should I pack for Adelaide?
Is Adelaide humid?
Is Adelaide cold in winter?
Best time to visit Adelaide
January to April and October to November is the sweet spot for Adelaide - the dry season is running but the afternoons are still bearable. Expect 75°F (24°C) in the afternoon and around 6 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in January.
Pack for Adelaide with light clothing for the warm months, a warm jacket and layers for the cooler season and a compact umbrella or rain shell. Note the gap between afternoon and night: January pairs 82°F (28°C) with 62°F (17°C).
Adelaide temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.