Monticello Utah Climate Data

Monthly Average Climate Data for Monticello Utah

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F36.3 °F1.45 in.
February19.7 °F40.2 °F1.37 in.
March26.0 °F49.9 °F1.2 in.
April31.3 °F57.3 °F1.32 in.
May39.4 °F67.2 °F0.97 in.
June48.6 °F79.1 °F0.5 in.
July55.5 °F84.1 °F1.52 in.
August54.6 °F81.0 °F1.79 in.
September46.9 °F73.4 °F1.74 in.
October35.6 °F60.8 °F1.69 in.
November25.0 °F47.8 °F1.23 in.
December16.8 °F37.1 °F1.56 in.
Annual34.7 °F59.5 °F16.34 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsa - Humid Continental Climate - Dry Warm Summer