Last frost date in Hemet, California

January 31

Average last frost in spring. In an early year (1 in 10) it's over by December 31; 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 San Jacinto (USC00047813), 4.5 miles from Hemet, elevation 1,525 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Banning, Beaumont and San Jacinto, so their frost dates are the same as Hemet's.

What to plant now

Frost dates for Hemet, California
Early yearAverageLate year
Last frost in springDec 31Jan 31Feb 28
First frost in fallNov 22Dec 10Jan 6

Frost-free days in an average year: 315

Light frost, frost and hard freeze in Hemet
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMar 5Nov 24
Frost (32°F)10 years in 10Jan 31Dec 10
Hard freeze (28°F)6 years in 10Jan 3Dec 21

Nights at 32°F or colder in an average year: 15

What to plant now in Hemet

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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