Last Frost Date Flint: Frost Dates, Late Frost Risk & Growing Season
When is the last spring frost and the first autumn frost in Flint? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.
The frost season in Flint
- Last frost (average): April 29
- In 1 year out of 10 it still freezes on May 13.
- First frost: October 17
- Frost-free season: 166 days
- Frost after 15 May: in 7 % of years
Frost days per month in Flint
- January: 29 · -9 °C
- February: 26.8 · -8 °C
- March: 25.3 · -4 °C
- April: 11.4 · 2 °C
- May: 0.9 · 8 °C
- June: 0 · 13 °C
- July: 0 · 15 °C
- August: 0 · 15 °C
- September: 0.1 · 10 °C
- October: 4.1 · 5 °C
- November: 17.8 · -1 °C
- December: 27.4 · -5 °C
- Matched to the average lows of a weather station 5 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.