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

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

The frost season in Chico

  • Last frost (average): February 25
  • In 1 year out of 10 it still freezes on March 19.
  • First frost: December 14
  • Frost-free season: 289 days
  • Frost after 15 May: in 0 % of years

Frost days per month in Chico

  • January: 2.8 · 4 °C
  • February: 1.6 · 5 °C
  • March: 0.4 · 7 °C
  • April: 0.1 · 8 °C
  • May: 0 · 12 °C
  • June: 0 · 16 °C
  • July: 0 · 19 °C
  • August: 0 · 19 °C
  • September: 0 · 17 °C
  • October: 0 · 13 °C
  • November: 0.7 · 8 °C
  • December: 3.3 · 4 °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.