Dillon Colorado Climate Data

Monthly Average Climate Data for Dillon Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.8 °F31.8 °F1.07 in.
February6.9 °F34.1 °F1.09 in.
March13.5 °F41.6 °F1.24 in.
April20.5 °F48.0 °F1.57 in.
May28.4 °F57.9 °F1.4 in.
June35.1 °F69.4 °F1.11 in.
July40.9 °F74.8 °F1.85 in.
August39.5 °F72.5 °F1.89 in.
September32.7 °F66.1 °F1.43 in.
October23.9 °F53.8 °F1.03 in.
November14.0 °F40.9 °F0.96 in.
December5.9 °F31.8 °F0.98 in.
Annual22.3 °F51.9 °F15.62 in.

Climate Data for Dillon Colorado

Average First Frost DateJuly 21 - July 31
Average Last Frost DateJul. 11 - Jul. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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