Last Frost Date Barrie: Frost Dates, Late Frost Risk & Growing Season
When is the last spring frost and the first autumn frost in Barrie? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.
The frost season in Barrie
- Last frost (average): April 29
- In 1 year out of 10 it still freezes on May 12.
- First frost: October 20
- Frost-free season: 168 days
- Frost after 15 May: in 3 % of years
Frost days per month in Barrie
- January: 30.6 · -11 °C
- February: 27.8 · -11 °C
- March: 27.6 · -6 °C
- April: 15.1 · 0 °C
- May: 1 · 6 °C
- June: 0 · 11 °C
- July: 0 · 14 °C
- August: 0 · 13 °C
- September: 0.1 · 10 °C
- October: 4 · 4 °C
- November: 19.1 · -1 °C
- December: 29.4 · -7 °C
- Matched to the average lows of a weather station 20 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.