ZIP Code 75474 Hardiness Zones and Climate Data

ZIP Code 75474 - Quinlan Texas is in 2023 USDA Hardiness Zones 8b (15°F to 20°F)

Additional Gardening Related Climate Data for ZIP Code 75474 - Quinlan, Texas

2023 Hardiness Zone:Zone 8b: 15°F to 20°F
2012 Hardiness Zone:Zone 8a: 10°F to 15°F
1990 Hardiness Zone:Zone 8a: 10F to 15F
Average First Frost Date:Nov. 11 - Nov. 20
Average Last Frost Date:Mar. 21 - Mar. 31
Koppen-Geiger Climate Zone:Cfa - Humid Subtropical Climate
Ecoregion:33a - Northern Post Oak Savanna
Heat Zone Days: 91 - 120 days Over 86°F

Annual Climate Data for ZIP Code 75474 - Quinlan, TX

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)32364451606872716453423452
Avg Max Temp (°F)53596774818994948877655675
Avg Precip (In.)2.623.053.563.665.254.062.512.093.34.863.823.4942.26

Source Data:

2025 plantmaps.com