Lafayette Colorado Climate Data

Monthly Average Climate Data for Lafayette Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.9 °F45.5 °F0.52 in.
February19.6 °F46.6 °F0.57 in.
March27.3 °F56.1 °F1.47 in.
April33.8 °F61.8 °F2.0 in.
May43.0 °F70.5 °F2.48 in.
June52.0 °F82.9 °F1.63 in.
July58.2 °F89.1 °F1.69 in.
August56.0 °F87.0 °F1.41 in.
September47.7 °F79.0 °F1.3 in.
October35.8 °F65.9 °F1.17 in.
November25.8 °F53.8 °F0.88 in.
December17.8 °F44.8 °F0.52 in.
Annual36.2 °F65.3 °F15.64 in.

Climate Data for Lafayette 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate