Last Frost Date Youngstown: Frost Dates, Late Frost Risk & Growing Season
When is the last spring frost and the first autumn frost in Youngstown? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.
The frost season in Youngstown
- Last frost (average): April 30
- In 1 year out of 10 it still freezes on May 18.
- First frost: October 21
- Frost-free season: 171 days
- Frost after 15 May: in 17 % of years
Frost days per month in Youngstown
- January: 27.7 · -7 °C
- February: 25.6 · -6 °C
- March: 22.4 · -2 °C
- April: 9 · 3 °C
- May: 0.9 · 9 °C
- June: 0 · 13 °C
- July: 0 · 16 °C
- August: 0 · 15 °C
- September: 0 · 11 °C
- October: 2.3 · 6 °C
- November: 14.9 · 1 °C
- December: 25.4 · -4 °C
- Matched to the average lows of a weather station 19 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.