Last Frost Date Provo: Frost Dates, Late Frost Risk & Growing Season

When is the last spring frost and the first autumn frost in Provo? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.

The frost season in Provo

  • Last frost (average): May 4
  • In 1 year out of 10 it still freezes on May 14.
  • First frost: October 10
  • Frost-free season: 159 days
  • Frost after 15 May: in 10 % of years

Frost days per month in Provo

  • January: 30 · -8 °C
  • February: 25.6 · -5 °C
  • March: 21.9 · -2 °C
  • April: 13.1 · 1 °C
  • May: 2 · 6 °C
  • June: 0 · 11 °C
  • July: 0 · 16 °C
  • August: 0 · 16 °C
  • September: 0.3 · 11 °C
  • October: 6.2 · 4 °C
  • November: 21.3 · -2 °C
  • December: 30 · -8 °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.