Brighton Colorado Climate Data

Monthly Average Climate Data for Brighton Colorado

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.3 °C6.7 °C9.65 mm
February-8.1 °C7.4 °C10.92 mm
March-3.3 °C13.6 °C27.18 mm
April0.6 °C16.9 °C44.7 mm
May6 °C21.8 °C60.2 mm
June11.2 °C28.7 °C34.8 mm
July14.4 °C32.1 °C37.34 mm
August13.1 °C30.8 °C39.12 mm
September8.2 °C26.5 °C29.21 mm
October1.2 °C18.8 °C24.64 mm
November-4.6 °C11.7 °C17.27 mm
December-9.4 °C6.2 °C9.14 mm
Annual1.7 °C18.4 °C344.17 mm

Climate Data for Brighton Colorado

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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