Roy Utah Climate Data

Monthly Average Climate Data for Roy Utah

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.2 °C2.5 °C51.56 mm
February-4.2 °C5.4 °C43.69 mm
March0 °C11.3 °C48.51 mm
April3.2 °C15.2 °C59.94 mm
May7.7 °C20.7 °C61.47 mm
June12.1 °C26.8 °C31.75 mm
July16.9 °C32.3 °C12.95 mm
August16 °C31.3 °C19.3 mm
September10.7 °C25.3 °C34.04 mm
October4.2 °C17.2 °C45.72 mm
November-1.3 °C9.2 °C38.1 mm
December-5.8 °C2.7 °C42.67 mm
Annual4.4 °C16.7 °C489.7 mm

Climate Data for Roy Utah

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation