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Frost Date Finder

NOAA 1991–2020 freeze normals

Frost Dates in Nevada

Last and first frost at the 37 NOAA stations behind this site's Nevada pages.

At the middle station of the 37 in Nevada where a freeze comes every year, the last spring frost (50%) is May 1 and the first fall frost October 17, a freeze-free season of 160 days. The last frost is earliest at Las Vegas (Las Vegas Mccarran Airport, NV, January 20) and latest at Ely (Ely Yelland Field Airport, NV, June 12), 143 days apart. The season runs from 91 days at Ely to 333 at Las Vegas.

21 of these stations were also in NOAA's previous normals, for 1981–2010. Between the two, the median station's freeze-free season grew 7 days longer, with the last spring frost 4 days earlier and the first fall frost 3 days later; the season lengthened at 17 stations and shortened at 4. The two periods share twenty years, so the change reflects mostly 2011–2020 against 1981–1990.

Nevada places by frost date

Frost dates of the Nevada places with a page, largest first
PlaceZIPLast frostFirst frostSeasonWinters with 32°F
North Las Vegas89031February 1December 8311 d99%
Las Vegas89108January 24December 10323 d97%
Las Vegas89121January 20December 15333 d94%
Las Vegas89148February 4December 5302 d100%
Sparks89436May 3October 10157 d100%
Reno89502April 20October 23184 d100%
Reno89506May 8October 12150 d100%
Henderson89015January 21December 17328 d98%
Las Vegas89178March 17November 20245 d100%
North Las Vegas89081March 10November 19253 d100%
Sparks89431May 1October 10160 d100%
Reno89523April 28October 27182 d100%
Las Vegas89135March 13November 15244 d100%
Las Vegas89166March 22November 7229 d100%
Carson City89701May 4October 6152 d100%
Elko89801May 26September 23120 d100%
Fallon89406May 6October 8153 d100%
Pahrump89048March 29November 3218 d100%
Fernley89408May 9October 1145 d100%
Mesquite89027March 16November 13238 d100%
Dayton89403May 12October 17155 d100%
Winnemucca89445May 31September 17108 d100%
Spring Creek89815June 6September 16100 d100%
Gardnerville89460May 30September 26119 d100%
Incline Village89451May 17October 13148 d100%
Yerington89447April 29October 15167 d100%
Silver Springs89429April 18October 25188 d100%
Ely89301June 12September 1391 d100%
Battle Mountain89820May 9September 29141 d100%
Lovelock89419May 11October 2143 d100%
West Wendover89883May 12September 30139 d100%
Overton89040February 26November 22268 d100%
Hawthorne89415April 22October 25185 d100%
Wellington89444May 12October 6145 d100%
Tonopah89049April 30October 18169 d100%
Verdi89439May 9October 17156 d100%
Carlin89822May 29September 18111 d100%

50% dates from NOAA NCEI U.S. Climate Normals 1991–2020, one row per station; a state page is published when at least 5 stations stand behind its pages. Where a freeze comes in fewer than nine winters in ten, the dates describe the winters that have one.