Frost dates for Lovelock Derby Field, NV
At Lovelock Derby Field, the median last spring frost (32°F) is May 12 and the median first fall frost is Sep 27, for a typical growing season of 136 days. For a 90% chance that the last frost has passed, wait until Jun 2. Nearby ZIP codes are in USDA hardiness zones 6b to 7b.
- May 12Last spring frost (median)50% chance of 32°F after this date
- Jun 2Safer planting date10% chance of 32°F after this date
- Sep 27First fall frost (median)50% chance of 32°F by this date
- 136 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 8 | May 28 | Jun 16 |
| 32°F | Apr 26 | May 12 | Jun 2 |
| 28°F | Apr 16 | Apr 30 | May 18 |
| 24°F | Apr 4 | Apr 20 | May 5 |
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 1 | Sep 15 | Sep 29 |
| 32°F | Sep 11 | Sep 27 | Oct 11 |
| 28°F | Sep 25 | Oct 8 | Oct 23 |
| 24°F | Oct 4 | Oct 19 | Nov 1 |
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 | 87 days | 109 days | 133 days |
| 32°F | 110 days | 136 days | 157 days |
| 28°F | 135 days | 158 days | 178 days |
| 24°F | 160 days | 181 days | 202 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 |
|---|---|---|---|
| 89419 | 6b | -5 to 0°F | 39 km |
| 89408 | 7a | 0 to 5°F | 58 km |
| 89418 | 6b | -5 to 0°F | 72 km |
| 89424 | 7b | 5 to 10°F | 75 km |
| 89442 | 7a | 0 to 5°F | 78 km |
| 89405 | 7a | 0 to 5°F | 87 km |
| 89406 | 7a | 0 to 5°F | 95 km |
| 89496 | 7a | 0 to 5°F | 97 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 USW00024172, at 40.0681, -118.5692, elevation 1189 m (3,902 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 167.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lovelock (14 km)
- Rye Patch Dam (50 km)
- Fallon Exp. Station (70 km)
- Fallon Naas (74 km)
- Imlay (74 km)
- Wadsworth 4 N (74 km)
- Lahontan Dam (79 km)
- Sutcliffe (89 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.