Smithfield Utah Climate Data

Monthly Average Climate Data for Smithfield Utah

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.9 °F32.6 °F1.93 in.
February18.3 °F37.3 °F1.58 in.
March27.6 °F49.2 °F1.97 in.
April33.6 °F58.1 °F2.27 in.
May40.9 °F67.7 °F2.49 in.
June47.4 °F78.8 °F1.2 in.
July54.7 °F88.9 °F0.63 in.
August53.3 °F87.6 °F0.77 in.
September44.4 °F77.1 °F1.33 in.
October33.9 °F62.3 °F1.77 in.
November25.2 °F46.6 °F1.37 in.
December16.5 °F34.0 °F1.59 in.
Annual34.2 °F60 °F18.9 in.

Climate Data for Smithfield Utah

Average First Frost DateOct. 1 - Oct. 10
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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation