Highlands Ranch Colorado Climate Data

Monthly Average Climate Data for Highlands Ranch Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.4 °F45.6 °F0.63 in.
February19.6 °F46.5 °F0.68 in.
March27.1 °F54.9 °F1.49 in.
April33.4 °F60.5 °F2.37 in.
May42.6 °F69.2 °F2.38 in.
June52.1 °F81.2 °F1.91 in.
July58.4 °F87.3 °F1.91 in.
August56.6 °F85.0 °F2.14 in.
September48.1 °F77.7 °F1.53 in.
October35.8 °F64.9 °F1.19 in.
November26.3 °F53.7 °F0.9 in.
December18.2 °F44.9 °F0.61 in.
Annual36.4 °F64.3 °F17.74 in.

Climate Data for Highlands Ranch Colorado

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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