Frost dates / By state
Frost dates in Nevada
NOAA 1991–2020 normals for a 32 °F freeze. Your own yard can run a little either side.
Short answer
Across 15 NOAA weather stations in Nevada, the average last spring frost runs from January 20 at Las Vegas Mccarran Airport to June 13 at Denio 52 WSW. The first fall frost comes as early as September 13 at Ely Yelland Fld Airport and as late as December 15 at Las Vegas Mccarran Airport. Planting zones near these stations run from 5a to 9b.
Nevada cities
- Frost dates in Las Vegas: last frost January 24, first frost December 10
- Frost dates in Henderson: last frost January 20, first frost December 15
- Frost dates in North Las Vegas: last frost January 24, first frost December 10
- Frost dates in Reno: last frost April 20, first frost October 23
Find yours by ZIP code
The table below is by weather station. For the station nearest you, and your planting zone, type your ZIP code.
Nevada frost dates by weather station
| Station | Last spring frost | First fall frost | Frost-free | Zone nearby |
|---|---|---|---|---|
| Baker 5 W 6,617 ft | May 12 1 in 10 after June 4 | October 14 1 in 10 by October 1 | 155 days | – |
| Battle Mountain 4SE 4,505 ft | May 9 1 in 10 after May 31 | September 29 1 in 10 by September 15 | 143 days | – |
| Denio 52 WSW 6,500 ft | June 13 1 in 10 after July 4 | September 20 1 in 10 by September 2 | 99 days | – |
| Elko Rgnl Airport 5,030 ft | May 29 1 in 10 after June 16 | September 18 1 in 10 by September 3 | 112 days | – |
| Ely Yelland Fld Airport 6,262 ft | June 12 1 in 10 after June 28 | September 13 1 in 10 by August 31 | 93 days | 5a |
| Eureka Airport 5,936 ft | June 7 1 in 10 after June 23 | September 17 1 in 10 by September 2 | 102 days | 5b |
| Fallon Naas 3,934 ft | May 6 1 in 10 after May 25 | October 8 1 in 10 by September 25 | 155 days | – |
| Las Vegas Air Terminal 2,203 ft | January 24 1 in 10 after February 19 | December 10 1 in 10 by November 24 | 320 days | 9b |
| Las Vegas Mccarran Airport 2,131 ft | January 20 1 in 10 after February 14 | December 15 1 in 10 by November 28 | 329 days | 9b |
| Lovelock Derby Fld 3,902 ft | May 12 1 in 10 after June 2 | September 27 1 in 10 by September 11 | 138 days | – |
| Mercury 3 SSW 3,284 ft | March 10 1 in 10 after April 8 | November 19 1 in 10 by November 1 | 254 days | – |
| Mercury Desert Rock Airport 3,230 ft | March 16 1 in 10 after April 9 | November 17 1 in 10 by October 31 | 246 days | – |
| Reno Tahoe Intl Airport 4,410 ft | April 20 1 in 10 after May 5 | October 23 1 in 10 by October 11 | 186 days | 7b |
| Tonopah 5,395 ft | April 30 1 in 10 after May 24 | October 18 1 in 10 by October 4 | 171 days | – |
| Winnemucca Muni Airport 4,296 ft | May 31 1 in 10 after June 19 | September 17 1 in 10 by September 3 | 109 days | 6b |
The average date is NOAA's 50% date: half of years have a later last frost, or an earlier first one. Plan by the 1-in-10 date if a freeze would cost you plants. Stations are NOAA's main weather stations, mostly airports. “Zone nearby” is the USDA 2023 zone of the nearest ZIP code within 10 miles. NOAA counts the frost season from August to July, so in the warmest places the “first fall” freeze lands after New Year.
How these dates work
Frost dates come from NOAA's 1991 to 2020 Climate Normals, which work out from each weather station's daily lows how likely the last spring freeze and the first fall freeze (32 °F) are by each date. We use the station nearest the middle of your ZIP code and show its height and distance, since a station on a hill or by a lake can differ from your yard.
The average date is the 50% date: half of years have a freeze after the spring date or before the fall one. The 1-in-10 dates are NOAA's 10% dates, the ones to plan by if a late freeze would cost you plants. Within one yard, cold air pools in low spots while walls and paving hold heat, so some corners freeze before others.
Other states
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Where the numbers come from
- USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture
- PRISM Climate Group, Oregon State University (zone data)
- NOAA NCEI, U.S. Climate Normals 1991–2020, annual/seasonal
- NOAA, Normals calculation methodology (frost-freeze probability dates)
- US Census Bureau, 2025 ZCTA gazetteer (ZIP code centers)