ZIP Code 92036 Hardiness Zones and Climate Data

ZIP Code 92036 - Julian California is in 2023 USDA Hardiness Zones 8b (15°F to 20°F), 9a (20°F to 25°F), 10a (30°F to 35°F), 9b (25°F to 30°F) and 8a (10°F to 15°F)

Additional Gardening Related Climate Data for ZIP Code 92036 - Julian, California

2023 Hardiness Zone:Zone 8b: 15°F to 20°F
Zone 9a: 20°F to 25°F
Zone 10a: 30°F to 35°F
Zone 9b: 25°F to 30°F
Zone 8a: 10°F to 15°F
2012 Hardiness Zone:Zone 8b: 15°F to 20°F
Zone 9a: 20°F to 25°F
Zone 10a: 30°F to 35°F
Zone 9b: 25°F to 30°F
Zone 8a: 10°F to 15°F
1990 Hardiness Zone:Zone 9a: 20F to 25F
Average First Frost Date:Nov. 1 - Nov. 10
Average Last Frost Date:Apr. 21 - Apr. 30
Koppen-Geiger Climate Zone:Csb - Warm-Summer Mediterranean Climate
Ecoregion:
Current Drought Status:Exceptional Drought
Heat Zone Days: 31 - 45 days Over 86°F

Annual Climate Data for ZIP Code 92036 - Julian, CA

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)34353638434956565245373443
Avg Max Temp (°F)56586066728390898474635771
Avg Precip (In.)5.245.375.61.95.85.18.4.73.771.192.553.3228.17

Source Data:

2025 plantmaps.com