Sydney weather in May
In May, Sydney has an average high of 19 °C67 °F and an average low of 15 °C58 °F, with about 54 mm2.1 in of precipitation. It is the 8th warmest month of the year and ranks 9th for precipitation.
How May compares with other months
Compared with April, May is 2.7 °C4.8 °F cooler on average and drier by 20 mm0.8 in. Compared with June, May is 2.1 °C3.7 °F warmer on average and drier by 33 mm1.3 in. Daylight lasts about 10.4 hours around the middle of the month. Average relative humidity is 71% and the average cloud amount 52%.
Is May a good time to visit Sydney?
Yes — May is one of the most comfortable months to visit Sydney by our comfort score, which favours average highs of 21–28 °C, lows above 5 °C, little rain and moderate humidity.
What to wear in May
For Sydney in May, pack light layers — T-shirts plus a light sweater or jacket.
May in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| Sydney | 1967 | 1558 | 542.1 |
| Liverpool | 2067 | 847 | 742.9 |
| Central Coast | 2068 | 1254 | 542.1 |
| Richmond (New South Wales) | 2068 | 949 | 612.4 |
| Wollongong | 1966 | 1151 | 552.2 |
| Newcastle | 2067 | 1559 | 753.0 |
| Nowra | 1966 | 1254 | 672.6 |
| Maitland | 2069 | 949 | 451.8 |
| Orange | 1457 | 439 | 301.2 |
Nearby places that are more than 1 °C1.8 °F cooler: Liverpool, Central Coast, Richmond (New South Wales) and Wollongong.
Other months in Sydney
- January25 °C78 °F / 20 °C68 °F
- February25 °C77 °F / 20 °C69 °F
- March24 °C75 °F / 19 °C67 °F
- April22 °C71 °F / 17 °C63 °F
- May19 °C67 °F / 15 °C58 °F
- June17 °C63 °F / 13 °C55 °F
- July16 °C61 °F / 11 °C52 °F
- August17 °C63 °F / 12 °C53 °F
- September19 °C67 °F / 13 °C56 °F
- October21 °C70 °F / 15 °C59 °F
- November23 °C73 °F / 17 °C62 °F
- December24 °C75 °F / 18 °C65 °F
Frequently asked questions
How warm is Sydney in May?
In May the average high in Sydney is 19 °C (67 °F) and the average low is 15 °C (58 °F).
Does it rain a lot in Sydney in May?
On average about 54 mm (2.1 in) of precipitation falls in May; it ranks 9th of the 12 months.
Is May the warmest month in Sydney?
No. The warmest month in Sydney is January, with an average high of 25 °C (78 °F). The coldest month is July, with an average low of 11 °C (52 °F).
How long is the day in Sydney in May?
In the middle of May the day in Sydney lasts about 10.4 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Sydney in May?
The average relative humidity in May is about 71%. This is a long-term average for the whole day.
How cloudy is Sydney in May?
On average about 52% of the sky is covered by cloud in May. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.