Temecula, CA planting zone & frost dates

Temecula is in USDA hardiness zone 9b. Frost is rare here: in most years temperatures do not drop to 32°F.

USDA hardiness zone9bavg. extreme winter low 25°F to 30°F
FrostRarein most years the nearest weather station records no 32°F freeze

Hardiness zone by ZIP code in Temecula

Nearby cities

All cities in California → · Other zone 9b cities →

Questions

What growing zone is Temecula, CA?

Temecula is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 10b.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Fallbrook 5 Ne, CA (USW00053151), 7.2 km (4.5 mi) from the city center, elevation 348 m, based on 13 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.