Grand Lake Colorado Climate Data

Monthly Average Climate Data for Grand Lake Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.2 °F29.8 °F1.53 in.
February5.4 °F33.2 °F1.46 in.
March13.3 °F41.9 °F1.27 in.
April21.7 °F49.8 °F1.56 in.
May29.5 °F60.1 °F1.77 in.
June36.2 °F71.3 °F1.33 in.
July42.2 °F76.9 °F1.79 in.
August41.0 °F74.8 °F2.01 in.
September34.0 °F68.3 °F1.53 in.
October25.5 °F55.8 °F1.25 in.
November16.1 °F41.1 °F1.23 in.
December7.0 °F30.4 °F1.41 in.
Annual23 °F52.8 °F18.14 in.

Climate Data for Grand Lake Colorado

Average First Frost DateAug. 11 - Aug. 20
Average Last Frost DateJul. 1 - Jul. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall