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USDA Hardiness Zone 6b

Frost Dates for 89883 — West Wendover, Nevada

NOAA 1991–2020 normals from Wendover 16NW, NV (4,828 ft), 9 miles north.

Updated

In West Wendover, the last spring frost (32°F) is around May 12 in half of years and has passed by May 28 in nine years out of ten. The first fall frost comes around September 30, as early as September 16 one year in ten, leaving a typical freeze-free season of 139 days (NOAA, Wendover 16NW, NV).

Last spring frost
May 12

50% probability

First fall frost
September 30

50% probability

Growing season
139 days

freeze-free, 50%

Hardiness zone
6b

-5 to 0°F (-20.6 to -17.8°C) coldest night

First snow
November 4

median, 1991–2020

Last snow
April 21

median, 1991–2020

Winters with snow
90%

19 of 21 observed

Snow per year
26.5"

NOAA normal

Frost risk by date in West Wendover

Half of springs at Wendover 16NW, NV see their last 32°F night by May 12; only one in ten is past it by April 29, and one in ten still has one after May 28. Planting tender crops after May 18 leaves a 30% risk of a frost on them, after May 22 20%, and after May 28 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 92% of the 38 Nevada stations behind this site's ZIP pages.

In fall the first 32°F night comes by September 30 in half of years, as early as September 16 one year in ten, and holds off past October 12 one year in ten. A hard freeze of 28°F follows 10 days later, around October 10; in spring the one-in-ten date for 28°F is May 15, 13 days before the 32°F one. The freeze-free season lasts 139 days in a typical year, shorter than at 82% of the 38 Nevada stations; it reaches 157 days one year in ten and falls short of 117 one year in ten. On average 180 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 13 days longer, to about May 25, and return around September 20. Severe cold of 16°F or below comes every winter, usually between November 7 and March 5.

Spring: the chance of another night this cold after the date
Low90%80%70%60%50%40%30%20%10%
36°FMay 11May 16May 19May 22May 25May 29Jun 1Jun 5Jun 11
32°FApr 29May 3May 6May 10May 12May 15May 18May 22May 28
28°FApr 12Apr 18Apr 22Apr 26Apr 30May 2May 5May 9May 15
24°FMar 25Mar 31Apr 4Apr 7Apr 11Apr 16Apr 19Apr 25May 1
20°FMar 4Mar 9Mar 15Mar 19Mar 24Mar 29Apr 1Apr 5Apr 13
16°FFeb 16Feb 21Feb 27Mar 2Mar 5Mar 8Mar 12Mar 18Mar 29
Fall: the chance the first night this cold has come by the date
Low10%20%30%40%50%60%70%80%90%
36°FSep 7Sep 12Sep 15Sep 18Sep 20Sep 22Sep 25Sep 28Oct 2
32°FSep 16Sep 21Sep 24Sep 28Sep 30Oct 2Oct 4Oct 7Oct 12
28°FSep 27Oct 1Oct 4Oct 7Oct 10Oct 13Oct 16Oct 19Oct 22
24°FOct 6Oct 11Oct 15Oct 18Oct 20Oct 23Oct 26Oct 29Nov 1
20°FOct 16Oct 20Oct 24Oct 27Oct 30Nov 2Nov 5Nov 8Nov 14
16°FOct 22Oct 28Nov 1Nov 4Nov 7Nov 11Nov 14Nov 18Nov 23

Freeze probabilities 1991–2020 at Wendover 16NW, NV, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.

Frost risk on any date in 89883 →Compare West Wendover with another place →

When it snows in West Wendover, Nevada

The first measurable snow (0.1 inch or more) in West Wendover usually arrives around November 4, and the last of the season around April 21. Those are the middle dates across the winters of 1991–2020 at Oasis, NV, 20.9 miles away: half of years saw snow earlier, half later. Snow fell in 90% of those winters. The last 32°F night of spring typically comes 21 days after the last snow.

Planting calendar for 89883

What to do and when, from the 50% frost dates for West Wendover, Nevada
WhenWhat to do
March 3 – March 17Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
March 17 – March 31Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
April 14 – April 28Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
May 12 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by July 8Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by September 16Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
September 30 onwardPlant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter.

The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.

Where these figures come from

ZIP 89883 is 9 miles from Wendover 16NW, NV, which stands at 4,828 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 89883 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.

Frost dates across Nevada →

Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.

Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.

Other zone 6b places in Nevada