Basalt Colorado Climate Data

Monthly Average Climate Data for Basalt Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.3 °F36.1 °F1.21 in.
February14.9 °F40.8 °F1.5 in.
March22.5 °F50.5 °F0.9 in.
April28.7 °F58.3 °F2.01 in.
May35.9 °F67.8 °F1.59 in.
June42.9 °F79.5 °F1.08 in.
July49.6 °F86.2 °F1.26 in.
August48.0 °F83.6 °F1.68 in.
September40.1 °F76.0 °F2.3 in.
October29.9 °F63.7 °F1.26 in.
November19.9 °F48.4 °F0.97 in.
December11.2 °F35.9 °F1.01 in.
Annual29.4 °F60.6 °F16.77 in.

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 : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year