Last frost date in Mesa, Arizona

February 1

Average last frost in spring. In an early year (1 in 10) it's over by January 1; in a late year (1 in 10) it comes after February 28.

December 10

Average first frost in fall. 1 year in 10 it comes by November 22.

A 32°F night happens here about 10 years in 10; in those years these are the usual dates.

Source: NOAA U.S. Climate Normals 1991–2020, station E Mesa (USC00022782), 4.4 miles from Mesa, elevation 1,518 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Mesa, Arizona
Early yearAverageLate year
Last frost in springJan 1Feb 1Feb 28
First frost in fallNov 22Dec 10Jan 1

Frost-free days in an average year: 312

Light frost, frost and hard freeze in Mesa
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearFeb 27Nov 30
Frost (32°F)10 years in 10Feb 1Dec 10
Hard freeze (28°F)7 years in 10Jan 11Dec 26

Nights at 32°F or colder in an average year: 11

What to plant now in Mesa

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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