When Is the Last Frost?

Frost dates for 92544 — Hemet, CA

Last spring frostJan 10median date
First fall frostDec 23median date
Growing season347 daysfrost-free
Hardiness zone9bZone 9b

Frost is light and occasional here — typically a few cold nights around midwinter (about 13 a year). Cover tender plants when frost is forecast.

How Hemet compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)December 14
50% (median)January 10
10% (safe for tender plants)February 25
First fall frost
Chance of frost beforeDate
10% (early)November 27
50% (median)December 23
90% (late)January 31

Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.

Gardening where frost is rare

Hemet, CA only freezes on a few winter nights, so the usual "plant after the last frost" rule doesn't apply. Heat and rainfall decide the seasons instead:

About these dates

Based on 1991–2020 NOAA climate normals for the Hemet, CA weather station, 3 km away (elevation 1,811 ft (552 m)).

ZIP codes in Hemet: 92543 92544 92545 92546

Frost dates near Hemet

Frequently asked questions

When is the last frost in Hemet, CA?

The median last spring frost in Hemet, CA is January 10. There is still about a 10% chance of frost after February 25, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in Hemet, CA?

The median first fall frost is December 23, with about a 10% chance of frost before November 27.

How long is the growing season in Hemet, CA?

About 347 days between the median last spring frost and first fall frost.

What planting zone is Hemet, CA?

Hemet, CA is in USDA hardiness zone 9b.

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