Weather in Adelaide in May 2025
Average weather
Average temperature in Adelaide in May
The temperature in May is +17°C on average, with a range between a maximum of +22°C during the day and a minimum of +5°C at night.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +19°C to +20°C.
Is Adelaide warm or cold in May?
Adelaide is typically mild in May.
Maximum temperatures go down compared to the previous month from +22°C to +18°C. The minimum temperature also goes down from +13°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Adelaide:
Climate in Adelaide in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +22°C | +18°C | +15°C | ||||
| Min. temperature | ||||||
| +6°C | +3°C | +1°C | ||||
| Max. temperature | ||||||
| +36°C | +29°C | +25°C | ||||
| Rainfall | ||||||
| 40 mm | 60 mm | 71 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Humidity | ||||||
| 69% | 74% | 78% | ||||
| Air pressure | ||||||
| 1019 HPa | 1020 HPa | 1020 HPa | ||||
| Sunny days | ||||||
| 11 | 6 | 5 | ||||
| Cloudy days | ||||||
| 9 | 11 | 9 | ||||
| Rainy days | ||||||
| 10 | 14 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting colder in May. From +22°C in the day, the average maximum temperature lowers to +18°C. Prepare for more rain. Average rainfall goes from 40 mm to 60 mm. Humidity rises from 69% to 74%. The average wind speed doesn’t change much during May, staying around 3 m/s. The days becoming less sunny, going from 11 sunny days in April to 6 in May.
Next month (June) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Adelaide is gradually increasing during May, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last May in Adelaide?
Climate Change over Years
The climate in Adelaide in May has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+20°C) and the highest in 2007 (+22°C). The driest year was 1982 with only 298 mm of rainfall, and the wettest year was 2020 with 1368 mm.
FAQ
Is May a good time to visit Adelaide?
Can you sunbathe in Adelaide in May?
Is Adelaide rainy in May?
Is it sunny in Adelaide in May?
Other cities in Australia
Monthly weather in Adelaide
Source of the data
For this page, we’ve looked at the typical weather in Adelaide, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.