When Is the Last Frost?

Frost dates for 89105 — Las Vegas, NV

Last spring frostJan 20median date
First fall frostDec 15median date
Growing season329 daysfrost-free
Hardiness zone9bZone 9b

Frost is light and occasional here — typically a few cold nights around midwinter (about 10 a year). Cover tender plants when frost is forecast.

How Las Vegas compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)December 20
50% (median)January 20
10% (safe for tender plants)February 14
First fall frost
Chance of frost beforeDate
10% (early)November 28
50% (median)December 15
90% (late)January 7

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

Las Vegas, NV 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 Las Vegas Mccarran Ap, NV weather station, 2 km away (elevation 2,133 ft (650 m)).

ZIP codes in Las Vegas: 89101 89102 89103 89104 89105 89106 89107 89108 89109 89110 89111 89112 89113 89114 89115 89116 89117 89118 89119 89120 89121 89122 89123 89124 89125 89126 89127 89128 89129 89130 89131 89132 89133 89134 89135 89136 89137 89138 89139 89140 89141 89142 89143 89144 89145 89146 89147 89148 89149 89150 89151 89152 89153 89154 89155 89156 89157 89158 89159 89160 …

Frost dates near Las Vegas

Frequently asked questions

When is the last frost in Las Vegas, NV?

The median last spring frost in Las Vegas, NV is January 20. There is still about a 10% chance of frost after February 14, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in Las Vegas, NV?

The median first fall frost is December 15, with about a 10% chance of frost before November 28.

How long is the growing season in Las Vegas, NV?

About 329 days between the median last spring frost and first fall frost.

What planting zone is Las Vegas, NV?

Las Vegas, NV is in USDA hardiness zone 9b.

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