Last Frost Date Sydney: Frost Dates, Late Frost Risk & Growing Season

When is the last spring frost and the first autumn frost in Sydney? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.

The frost season in Sydney

Last frost (average): May 13
In 1 year out of 10 it still freezes on May 17.
First frost: November 2
Frost-free season: 177 days
Frost after 15 May: in 17 % of years

Frost days per month in Sydney

January: 30.7 · -9 °C
February: 28.2 · -10 °C
March: 30.6 · -6 °C
April: 23.8 · -2 °C
May: 3.9 · 3 °C
June: 0 · 8 °C
July: 0 · 13 °C
August: 0 · 14 °C
September: 0 · 10 °C
October: 1.1 · 5 °C
November: 15.1 · 0 °C
December: 28.2 · -4 °C

Matched to the average lows of a weather station 14 km away – accurate to about ±1–2 weeks.
Daily minimum temperatures 2 m above ground over 30 years (1991–2020), NASA POWER; station data: Deutscher Wetterdienst (CC BY 4.0). Ground frost can form while the air at 2 m is still +2 to +3 °C.