Boone Colorado Climate Data

Monthly Average Climate Data for Boone Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F47.3 °F0.23 in.
February17.8 °F49.9 °F0.23 in.
March25.8 °F60.1 °F0.46 in.
April34.2 °F66.5 °F0.87 in.
May45.0 °F76.0 °F1.55 in.
June54.7 °F87.2 °F1.35 in.
July59.8 °F91.8 °F1.86 in.
August57.9 °F89.1 °F2.44 in.
September48.7 °F82.4 °F0.83 in.
October35.2 °F69.9 °F0.77 in.
November23.4 °F57.0 °F0.35 in.
December15.1 °F47.0 °F0.24 in.
Annual36 °F68.7 °F11.18 in.

Climate Data for Boone Colorado

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate