Utah Freeze Dates
The freezing temperature table which follows gives dates for the last spring and first fall freezes (32°F or lower) at each station with sufficient minimum temperature data for calculations to be performed.
Station Name: RIVERTON
LAST SPRING FREEZE:
Early: 14 May
Avg: 22 May
Late: 27 May
FIRST FALL FREEZE:
Early: 13 Sep
Avg: 24 Sep
Late: 04 Oct
FREEZE-FREE DAYS:
Short: 119
Avg: 125
Long: 134
Collected from the USU Extension service.