Sydney weather in May
Long-run climate averages for Sydney, New South Wales in May, plus what the forecast models say for the days ahead.
In May, Sydney averages 19°C by day and 10°C at night. The wettest month is usually February.
May in Sydney averages a daytime high of 19°C and an overnight low of 10°C, which reads as mild for this part of the world. Across the whole year Sydney sees roughly 1096 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 Sydney forecast with every model compared and how much they currently agree.
Sydney weather by month
what to expect in Sydney through the year, 1991-2020 averagesHere is Sydney'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 Sydney by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Sydney, scoring 88/100 on our CheckWeather Score, ahead of the American at 66. See the full AU accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Sydney in May?
Is May a good time to visit Sydney?
Does it rain a lot in Sydney in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .