Monticello Utah Climate Data

Monthly Average Climate Data for Monticello Utah

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.5 °C2.4 °C36.83 mm
February-6.8 °C4.6 °C34.8 mm
March-3.3 °C9.9 °C30.48 mm
April-0.4 °C14.1 °C33.53 mm
May4.1 °C19.6 °C24.64 mm
June9.2 °C26.2 °C12.7 mm
July13.1 °C28.9 °C38.61 mm
August12.6 °C27.2 °C45.47 mm
September8.3 °C23 °C44.2 mm
October2 °C16 °C42.93 mm
November-3.9 °C8.8 °C31.24 mm
December-8.4 °C2.8 °C39.62 mm
Annual1.5 °C15.3 °C415.05 mm

Climate Data for Monticello Utah

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDsa - Humid Continental Climate - Dry Warm Summer