Grantsville Utah Climate Data

Monthly Average Climate Data for Grantsville Utah

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.1 °F37.9 °F0.9 in.
February24.0 °F43.6 °F0.88 in.
March31.3 °F53.8 °F1.13 in.
April36.7 °F60.3 °F1.46 in.
May44.7 °F70.9 °F1.55 in.
June53.1 °F82.4 °F0.74 in.
July63.0 °F92.8 °F0.51 in.
August61.3 °F90.8 °F0.64 in.
September50.9 °F79.7 °F0.86 in.
October38.6 °F64.3 °F1.05 in.
November28.4 °F49.4 °F0.93 in.
December20.8 °F38.0 °F0.84 in.
Annual39.4 °F63.7 °F11.49 in.

Climate Data for Grantsville Utah

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation