ZIP Code 77345 Hardiness Zones and Climate Data

ZIP Code 77345 - Kingwood Texas is in 2023 USDA Hardiness Zones 9b (25°F to 30°F)

Additional Gardening Related Climate Data for ZIP Code 77345 - Kingwood, Texas

2023 Hardiness Zone:Zone 9b: 25°F to 30°F
2012 Hardiness Zone:Zone 9a: 20°F to 25°F
1990 Hardiness Zone:Zone 8b: 15F to 20F
Average First Frost Date:Jan. 21 - Jan. 31
Average Last Frost Date:Jan. 21 - Jan. 31
Koppen-Geiger Climate Zone:Cfa - Humid Subtropical Climate
Ecoregion:35f - Flatwoods
Heat Zone Days: 121 - 150 days Over 86°F

Annual Climate Data for ZIP Code 77345 - Kingwood, TX

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)41445158667274736859504358
Avg Max Temp (°F)62667278859093938981716479
Avg Precip (In.)4.293.213.713.655.56.113.763.664.964.64.664.1552.25

Source Data:

2025 plantmaps.com