Basalt Colorado Climate Data

Monthly Average Climate Data for Basalt Colorado

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.6 °C2.3 °C30.73 mm
February-9.5 °C4.9 °C38.1 mm
March-5.3 °C10.3 °C22.86 mm
April-1.8 °C14.6 °C51.05 mm
May2.2 °C19.9 °C40.39 mm
June6.1 °C26.4 °C27.43 mm
July9.8 °C30.1 °C32 mm
August8.9 °C28.7 °C42.67 mm
September4.5 °C24.4 °C58.42 mm
October-1.2 °C17.6 °C32 mm
November-6.7 °C9.1 °C24.64 mm
December-11.6 °C2.2 °C25.65 mm
Annual-1.4 °C15.9 °C425.94 mm

Climate Data for Basalt 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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year