Frost dates for Leonard Creek Rch - Denio 33s, NV
At Leonard Creek Rch - Denio 33s, the median last spring frost (32°F) is May 8 and the median first fall frost is Oct 11, for a typical growing season of 154 days. For a 90% chance that the last frost has passed, wait until May 30. Nearby ZIP codes are in USDA hardiness zones 6a to 7a.
- May 8Last spring frost (median)50% chance of 32°F after this date
- May 30Safer planting date10% chance of 32°F after this date
- Oct 11First fall frost (median)50% chance of 32°F by this date
- 154 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | May 5 | May 26 | Jun 15 |
| 32°F | Apr 23 | May 8 | May 30 |
| 28°F | Apr 7 | Apr 24 | May 14 |
| 24°F | Mar 16 | Apr 7 | Apr 29 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 11 | Sep 30 | Oct 15 |
| 32°F | Sep 28 | Oct 11 | Oct 27 |
| 28°F | Oct 9 | Oct 24 | Nov 8 |
| 24°F | Oct 19 | Nov 4 | Nov 21 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 99 days | 125 days | 150 days |
| 32°F | 129 days | 154 days | 176 days |
| 28°F | 159 days | 182 days | 203 days |
| 24°F | 184 days | 209 days | 236 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 89404 | 6b | -5 to 0°F | 38 km |
| 97710 | 6b | -5 to 0°F | 71 km |
| 89425 | 6a | -10 to -5°F | 71 km |
| 89445 | 6b | -5 to 0°F | 74 km |
| 89421 | 7a | 0 to 5°F | 87 km |
| 89426 | 6a | -10 to -5°F | 92 km |
| 89412 | 7a | 0 to 5°F | 93 km |
| 89446 | 6b | -5 to 0°F | 96 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00264527, at 41.5167, -118.7192, elevation 1292 m (4,239 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 134.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Kings River Valley - Orovada 26nw (48 km)
- Denio (53 km)
- Orovada 3 W (73 km)
- Denio 52 WSW (85 km)
- Paradise Valley 1 NW (98 km)
- McDermitt (98 km)
- Winnemucca Muni Airport (102 km)
- Winnemucca 3ssw (103 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.