GrowZone

Frost dates by ZIP

Last and first frost dates for ZIP 95113 (San Jose, CA)

San Jose (ZIP 95113) has an average last spring frost around Feb 15 and first fall frost around Dec 1, about 289 frost-free days.

Source: san-jose-mineta frost station, USDA zone 9b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

San Jose (ZIP 95113) has an average last spring frost around Feb 15 and an average first fall frost around Dec 1, giving about 289 frost-free days.

Feb 15 last frost 289 frost-free days Dec 1 first frost

Crop calendars for ZIP 95113