Adelaide in May
May is right in the heart of autumn for Adelaide, and the weather has a definite personality this time of year.
The average daily maximum is 19.2 degrees with overnight lows of 8.1 degrees. Manageable with a decent layer, and you'll warm up by midday.
At 19.2 degrees, May sits 2.3 degrees below the annual average of 21.5 degrees.
The rain data says 16mm over 2 days. That's barely a sprinkle.
Solar exposure averages 11.4 MJ/m2 per day in May, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
The Comfort Score for May comes in at 6.8/10, solidly pleasant.
For your suitcase: a decent jumper or fleece, and SPF 50+ sunscreen and a hat.
Check the data table below for the full picture, or compare Adelaide in May with another destination.
May at a Glance
Temperature Range
Daily temperature range in May. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- A jumper or light cardigan for flexibility
- A warm jumper or fleece for cool mornings and evenings
Coming From Overseas?
How May in Adelaide stacks up against major cities around the world.
About 1 degrees warmer and considerably drier.
About 4 degrees cooler and considerably drier.
About 5 degrees cooler and considerably drier.
How May Compares
Adelaide's monthly climate at a glance. May is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 26.8 | 16.1 | 85mm | 8.7 |
| Feb | 28.1 | 15.4 | 0mm | 8.6 |
| Mar | 27.9 | 16.1 | 1mm | 8.6 |
| Apr | 19.6 | 10.4 | 19mm | 7.2 |
| May | 19.2 | 8.1 | 16mm | 6.8 |
| Jun | 14.4 | 7.5 | 104mm | 1.6 |
| Jul | 14.1 | 7.9 | 74mm | 1.9 |
| Aug | 17.4 | 9.9 | 53mm | 4.7 |
| Sep | 17.7 | 8.9 | 45mm | 5.5 |
| Oct | 22.2 | 11.5 | 19mm | 9.8 |
| Nov | 24.3 | 14.2 | 29mm | 10.0 |
| Dec | 26.8 | 16.1 | 11mm | 9.3 |