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

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

The frost season in Bridgeport

  • Last frost (average): March 31
  • In 1 year out of 10 it still freezes on April 10.
  • First frost: November 17
  • Frost-free season: 229 days
  • Frost after 15 May: in 0 % of years

Frost days per month in Bridgeport

  • January: 25.3 · -4 °C
  • February: 22.3 · -3 °C
  • March: 15 · 0 °C
  • April: 1.1 · 5 °C
  • May: 0 · 11 °C
  • June: 0 · 16 °C
  • July: 0 · 20 °C
  • August: 0 · 19 °C
  • September: 0 · 15 °C
  • October: 0 · 9 °C
  • November: 4.6 · 4 °C
  • December: 19.2 · -1 °C
  • Matched to the average lows of a weather station 7 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.