Frost dates in Santa Ana, California

Frost is rare

At Santa Ana John Wayne AP, NOAA puts the chance of any 32°F night in a year at 0%.

Source: NOAA U.S. Climate Normals 1991–2020, station Santa Ana John Wayne AP (USW00093184), 4 miles from Santa Ana, elevation 54 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Buena Park, Costa Mesa, Cypress, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, La Palma, Los Alamitos, Orange, Seal Beach, Stanton and Westminster, so their frost dates are the same as Santa Ana's.

What to plant now

Light frost, frost and hard freeze in Santa Ana
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)1 years in 10Jan 5Jan 3
Frost (32°F)Under 1 year in 20——
Hard freeze (28°F)Under 1 year in 20——

Nights at 32°F or colder in an average year: 0.0

What to plant now in Santa Ana

USDA's planting table covers places whose average last freeze is between January 30 and June 10, and whose first freeze is between August 30 and December 20. Santa Ana's frost dates fall outside it (frost is rare here), so we don't give planting dates for it.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

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