Last frost date in Nogales, Arizona

March 20

Average last frost in spring. In an early year (1 in 10) it's over by February 24; in a late year (1 in 10) it comes after April 13.

November 17

Average first frost in fall. 1 year in 10 it comes by October 30.

Source: NOAA U.S. Climate Normals 1991–2020, station Nogales International AP (USW00003196), 6.6 miles from Nogales, elevation 3,932 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Nogales, Arizona
Early yearAverageLate year
Last frost in springFeb 24Mar 20Apr 13
First frost in fallOct 30Nov 17Dec 3

Frost-free days in an average year: 239

Light frost, frost and hard freeze in Nogales
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 13Nov 5
Frost (32°F)Every yearMar 20Nov 17
Hard freeze (28°F)Every yearFeb 23Nov 30

Nights at 32°F or colder in an average year: 45

What to plant now in Nogales

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

Nearby in Arizona

All 44 places in Arizona

Updated