Vernal Utah Climate Data

Monthly Average Climate Data for Vernal Utah

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.7 °C-1.1 °C17.78 mm
February-9.2 °C3.3 °C13.46 mm
March-3.4 °C11.3 °C15.49 mm
April0.4 °C16.1 °C15.75 mm
May5.2 °C21.4 °C25.91 mm
June9.8 °C27.9 °C9.91 mm
July13.6 °C31.9 °C7.62 mm
August12.6 °C30.3 °C19.3 mm
September7.5 °C25.6 °C26.67 mm
October1.2 °C17 °C23.88 mm
November-4.8 °C8.3 °C11.68 mm
December-11.1 °C0.1 °C16.51 mm
Annual0.8 °C16 °C203.96 mm

Climate Data for Vernal Utah

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate