Last Frost Date Invercargill: Frost Dates, Late Frost Risk & Growing Season
When is the last spring frost and the first autumn frost in Invercargill? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.
The frost season in Invercargill
- Last frost (average): August 21
- In 1 year out of 10 it still freezes on September 20.
- First frost: June 5
- Frost-free season: 286 days
Frost days per month in Invercargill
- January: 0 · 10 °C
- February: 0 · 9 °C
- March: 0 · 8 °C
- April: 0 · 6 °C
- May: 0.7 · 4 °C
- June: 5 · 2 °C
- July: 8 · 1 °C
- August: 4.3 · 2 °C
- September: 0.4 · 4 °C
- October: 0 · 6 °C
- November: 0 · 7 °C
- December: 0 · 9 °C
- Matched to the average lows of a weather station 6 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.