Vernal Utah Climate Data

Monthly Average Climate Data for Vernal Utah

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.1 °F30.0 °F0.7 in.
February15.5 °F38.0 °F0.53 in.
March25.9 °F52.3 °F0.61 in.
April32.8 °F60.9 °F0.62 in.
May41.3 °F70.5 °F1.02 in.
June49.6 °F82.3 °F0.39 in.
July56.5 °F89.4 °F0.3 in.
August54.6 °F86.5 °F0.76 in.
September45.5 °F78.0 °F1.05 in.
October34.1 °F62.6 °F0.94 in.
November23.3 °F47.0 °F0.46 in.
December12.0 °F32.1 °F0.65 in.
Annual33.4 °F60.8 °F8.03 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate