ZIP Code 80118 Hardiness Zones and Climate Data

ZIP Code 80118 - Larkspur Colorado is in 2023 USDA Hardiness Zones 5b (-15°F to -10°F)

Additional Gardening Related Climate Data for ZIP Code 80118 - Larkspur, Colorado

2023 Hardiness Zone:Zone 5b: -15°F to -10°F
2012 Hardiness Zone:Zone 5a: -20°F to -15°F
Zone 5b: -15°F to -10°F
1990 Hardiness Zone:Zone 4b: -25F to -20F
Average First Frost Date:Sep. 21 - Sep. 30
Average Last Frost Date:Jun. 1 - Jun. 10
Koppen-Geiger Climate Zone:BSk - Cold Semi-Arid Climate
Ecoregion:26i - Pine-Oak Woodlands
Heat Zone Days: Rare Over 86°F

Annual Climate Data for ZIP Code 80118 - Larkspur, CO

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)13162228374752514231201431
Avg Max Temp (°F)42455056657682807362494360
Avg Precip (In.).62.541.692.562.741.932.562.661.421.131.19.8219.87

Source Data:

2025 plantmaps.com