Weather in Sydney in May 2025
Average weather
Average temperature in Sydney in May
Going from a maximum of +24°C during the day to a minimum of +6°C during the night, the temperature in May averages around +19°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +21°C to +21°C.
Is Sydney warm or cold in May?
Sydney is typically mild in May.
Maximum temperatures go down compared to the previous month from +22°C to +19°C. The minimum temperature also goes down from +15°C to +12°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 Sydney:
Water temperature in Sydney in May
Water in Sydney in May is Comfortable. It varies from +19°C to +23°C, with an average of +21°C. Note that the air temperature is lower than the water temperature, averaging around +19°C.
In May, water temperatures are average relative to the rest of the year:
Can you swim in Sydney in May?
Climate in Sydney in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +22°C | +19°C | +17°C | ||||
| Min. temperature | ||||||
| +7°C | +6°C | +3°C | ||||
| Max. temperature | ||||||
| +34°C | +28°C | +24°C | ||||
| Rainfall | ||||||
| 83 mm | 74 mm | 63 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +23°C | +21°C | +20°C | ||||
| Humidity | ||||||
| 72% | 71% | 71% | ||||
| Air pressure | ||||||
| 1018 HPa | 1019 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 9 | 11 | 12 | ||||
| Cloudy days | ||||||
| 5 | 6 | 5 | ||||
| Rainy days | ||||||
| 15 | 13 | 12 | ||||
| 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 +19°C. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 83 mm to 74 mm. It feels drier, as humidity decreases from 72% to 71%. The average wind speed doesn’t change much during May, staying around 3 m/s. The good news is there are likely to be more sunny days in May, from 9 to 11.
June brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sydney is gradually decreasing during May, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last May in Sydney?
Climate Change over Years
The climate in Sydney 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 2019 (+23°C). The driest year was 2006 with only 423 mm of rainfall, and the wettest year was 2022 with 2786 mm.
FAQ
Is May a good time to visit Sydney?
Can you sunbathe in Sydney in May?
Can you swim in Sydney in May?
Is Sydney rainy in May?
Is it sunny in Sydney in May?
Other cities in Australia
Monthly weather in Sydney
Source of the data
For this page, we’ve looked at the typical weather in Sydney, 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.