Last Frost Date Grande Prairie: Frost Dates, Late Frost Risk & Growing Season
When is the last spring frost and the first autumn frost in Grande Prairie? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.
The frost season in Grande Prairie
- Last frost (average): May 16
- In 1 year out of 10 it still freezes on May 24.
- First frost: September 24
- Frost-free season: 133 days
- Frost after 15 May: in 53 % of years
Frost days per month in Grande Prairie
- January: 30.7 · -15 °C
- February: 28.1 · -13 °C
- March: 30.4 · -9 °C
- April: 22.2 · -2 °C
- May: 5.7 · 3 °C
- June: 0 · 8 °C
- July: 0 · 10 °C
- August: 0.1 · 10 °C
- September: 2.9 · 5 °C
- October: 18.2 · -1 °C
- November: 28.8 · -8 °C
- December: 30.8 · -14 °C
- No weather station nearby: plain grid values, which are often a little too cold – dates may therefore be late.
- 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.