Charleston Utah Climate Data

Monthly Average Climate Data for Charleston Utah

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.9 °C2.5 °C50.29 mm
February-7.9 °C5.1 °C43.43 mm
March-3.5 °C10.8 °C36.58 mm
April-0.4 °C15 °C37.08 mm
May3.4 °C20.4 °C40.64 mm
June6.9 °C26.7 °C22.1 mm
July11.1 °C31.8 °C12.95 mm
August10.7 °C30.7 °C19.81 mm
September5.7 °C25.4 °C31.75 mm
October0.2 °C17.8 °C36.07 mm
November-4.5 °C9.5 °C34.29 mm
December-9 °C2.8 °C45.47 mm
Annual0.2 °C16.5 °C410.46 mm

Climate Data for Charleston Utah

Average First Frost DateSep.11 - Sep. 20
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year