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

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

The frost season in Ogden

Last frost (average): April 6
In 1 year out of 10 it still freezes on April 19.
First frost: October 27
Frost-free season: 203 days
Frost after 15 May: in 0 % of years

Frost days per month in Ogden

January: 24.5 · -4 °C
February: 16.8 · -2 °C
March: 6.6 · 2 °C
April: 2 · 5 °C
May: 0 · 10 °C
June: 0 · 15 °C
July: 0 · 20 °C
August: 0 · 19 °C
September: 0 · 14 °C
October: 1.9 · 7 °C
November: 12.3 · 1 °C
December: 22.8 · -4 °C

Matched to the average lows of a weather station 47 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.