Frost dates by ZIP
Last and first frost dates for ZIP 90012 (Los Angeles, CA)
Los Angeles (ZIP 90012) has an average last spring frost around Jan 20 and first fall frost around Dec 15, about 329 frost-free days.
Source: los-angeles-civic-center frost station, USDA zone 10b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.
Los Angeles (ZIP 90012) has an average last spring frost around Jan 20 and an average first fall frost around Dec 15, giving about 329 frost-free days.
Jan 20 last frost
329 frost-free days
Dec 15 first frost