Adelaide weather in May
Long-run climate averages for Adelaide, South Australia in May, plus what the forecast models say for the days ahead.
In May, Adelaide averages 18°C by day and 9°C at night. The wettest month is usually June.
May in Adelaide averages a daytime high of 18°C and an overnight low of 9°C, which reads as mild for this part of the world. Across the whole year Adelaide sees roughly 591 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Adelaide forecast with every model compared and how much they currently agree.
Adelaide weather by month
what to expect in Adelaide through the yearHere is Adelaide's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Adelaide by season.
Bottom line: over the last 30 days the German model has been the most accurate forecast for Adelaide, scoring 86/100 on our CheckWeather Score, ahead of the European at 78. See the full AU accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Adelaide in May?
Is May a good time to visit Adelaide?
Does it rain a lot in Adelaide in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .