Greystanes Weather, NSW
Climate & monthly averages Pop 23,511
Greystanes is a suburb of Sydney in the Parramatta local government area, with a population of about 23,511 (NSW ABS Census 2021). The local climate is mild temperate, typical of the Sydney region.
Annual averages from the nearest weather station: maximum daily temperature of 22.2°C, minimum of 14.0°C, and around 1068 mm of rainfall spread across the year.
Best Month
Sep
Comfort 9.0/10
Annual Rain
1068 mm
Across all months
Avg Daily Max
22.2°C
Year-round average
Monthly averages
| Month | Max °C | Min °C | Rain mm | Rain days | Comfort |
|---|---|---|---|---|---|
| January | 26.6 | 19.7 | 118 | 15 | 7.8 |
| February | 26.5 | 19.5 | 82 | 13 | 7.8 |
| March | 25.5 | 17.2 | 59 | 12 | 8.9 |
| April | 21.9 | 14.0 | 160 | 11 | 7.2 |
| May | 18.8 | 11.4 | 160 | 16 | 4.2 |
| June | 16.0 | 7.7 | 140 | 11 | 2.6 |
| July | 16.1 | 8.4 | 38 | 10 | 3.9 |
| August | 19.4 | 10.1 | 36 | 6 | 6.7 |
| September | 22.2 | 11.0 | 60 | 6 | 9.0 |
| October | 21.7 | 12.6 | 41 | 10 | 8.8 |
| November | 25.2 | 17.6 | 121 | 18 | 8.7 |
| December | 26.8 | 19.1 | 53 | 8 | 8.8 |
What locals should know
The hottest month is typically December (27°C average max) and the wettest is April (160 mm). All averages quoted come from the nearest long-term weather station, 25 km away in Sydney.
Looking for hourly forecasts, records, or the seasonal deep-dive? The full Sydney climate page has it all.
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