Littleton Colorado Climate Data

Monthly Average Climate Data for Littleton Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.7 °F46.8 °F0.47 in.
February20.9 °F47.8 °F0.6 in.
March28.8 °F56.4 °F1.31 in.
April35.2 °F62.0 °F2.14 in.
May44.3 °F70.6 °F2.36 in.
June54.0 °F82.6 °F1.82 in.
July60.0 °F88.7 °F2.01 in.
August58.1 °F86.3 °F1.88 in.
September49.3 °F78.7 °F1.45 in.
October36.7 °F65.6 °F1.16 in.
November27.0 °F54.5 °F0.78 in.
December19.2 °F45.9 °F0.53 in.
Annual37.8 °F65.5 °F16.51 in.

Climate Data for Littleton 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