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

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

The frost season in Caledon

Last frost (average): May 8
In 1 year out of 10 it still freezes on May 18.
First frost: October 19
Frost-free season: 161 days
Frost after 15 May: in 17 % of years

Frost days per month in Caledon

January: 30.3 · -11 °C
February: 27.7 · -11 °C
March: 27.3 · -6 °C
April: 15.9 · 0 °C
May: 1.8 · 6 °C
June: 0 · 12 °C
July: 0 · 14 °C
August: 0 · 13 °C
September: 0.2 · 10 °C
October: 4.7 · 4 °C
November: 19.3 · -1 °C
December: 29.1 · -7 °C

Matched to the average lows of a weather station 41 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.