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

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

The frost season in Buffalo

Last frost (average): April 25
In 1 year out of 10 it still freezes on April 29.
First frost: November 3
Frost-free season: 191 days
Frost after 15 May: in 0 % of years

Frost days per month in Buffalo

January: 28.4 · -7 °C
February: 26.3 · -7 °C
March: 23.4 · -3 °C
April: 8.3 · 3 °C
May: 0.1 · 9 °C
June: 0 · 15 °C
July: 0 · 17 °C
August: 0 · 17 °C
September: 0 · 13 °C
October: 0.9 · 7 °C
November: 12.7 · 1 °C
December: 25.2 · -4 °C

Matched to the average lows of a weather station 15 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.