When Is the Last Frost?

Death Valley, CA frost dates

Last spring frostJan 1median date
First fall frostDec 19median date
Growing season352 daysfrost-free
Hardiness zone9aZone 9a

Frost is light and occasional here — typically a few cold nights around midwinter (about 9 a year). Cover tender plants when frost is forecast.

How Death Valley compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)December 14
50% (median)January 1
10% (safe for tender plants)January 21
First fall frost
Chance of frost beforeDate
10% (early)December 4
50% (median)December 19
90% (late)January 4

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

Death Valley, 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 Death Valley Np, CA weather station, 2 km away (elevation -194 ft (-59 m)).

Frost dates near Death Valley

Frequently asked questions

When is the last frost in Death Valley, CA?

The median last spring frost in Death Valley, CA is January 1. There is still about a 10% chance of frost after January 21, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in Death Valley, CA?

The median first fall frost is December 19, with about a 10% chance of frost before December 4.

How long is the growing season in Death Valley, CA?

About 352 days between the median last spring frost and first fall frost.

What planting zone is Death Valley, CA?

Death Valley, CA is in USDA hardiness zone 9a.

Check another location