Frost dates for Topaz Lake, NV
At Topaz Lake, the median last spring frost (32°F) is May 12 and the median first fall frost is Oct 6, for a typical growing season of 145 days. For a 90% chance that the last frost has passed, wait until Jun 7. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- May 12Last spring frost (median)50% chance of 32°F after this date
- Jun 7Safer planting date10% chance of 32°F after this date
- Oct 6First fall frost (median)50% chance of 32°F by this date
- 145 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 10 | May 31 | Jun 17 |
| 32°F | Apr 24 | May 12 | Jun 7 |
| 28°F | Apr 7 | Apr 24 | May 18 |
| 24°F | Mar 19 | Apr 9 | Apr 27 |
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 10 | Sep 26 | Oct 10 |
| 32°F | Sep 20 | Oct 6 | Oct 24 |
| 28°F | Oct 2 | Oct 18 | Nov 6 |
| 24°F | Oct 12 | Nov 1 | Nov 16 |
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 | 93 days | 118 days | 143 days |
| 32°F | 115 days | 145 days | 171 days |
| 28°F | 146 days | 174 days | 201 days |
| 24°F | 177 days | 202 days | 229 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 89410 | 7a | 0 to 5°F | 6 km |
| 89444 | 6b | -5 to 0°F | 12 km |
| 96133 | 7a | 0 to 5°F | 13 km |
| 95223 | 6b | -5 to 0°F | 41 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 USC00268186, at 38.7394, -119.5181, elevation 1613 m (5,292 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 154.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Smith 6 N (21 km)
- Minden (33 km)
- Dagget Pass (42 km)
- Yerington (43 km)
- Carson City (48 km)
- Wabuska 6 SE (51 km)
- Glenbrook (52 km)
- Virginia City (65 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.