Last Frost Date Kelowna: Frost Dates, Late Frost Risk & Growing Season
When is the last spring frost and the first autumn frost in Kelowna? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.
The frost season in Kelowna
- Last frost (average): May 20
- In 1 year out of 10 it still freezes on June 7.
- First frost: September 27
- Frost-free season: 127 days
- Frost after 15 May: in 53 % of years
Frost days per month in Kelowna
- January: 30.9 · -11 °C
- February: 28.3 · -9 °C
- March: 30 · -6 °C
- April: 24.1 · -2 °C
- May: 6.9 · 3 °C
- June: 0.3 · 6 °C
- July: 0 · 10 °C
- August: 0 · 10 °C
- September: 1.4 · 5 °C
- October: 18.2 · 0 °C
- November: 27.9 · -6 °C
- December: 30.9 · -11 °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.