Frost dates for So Entrance Yosemite National Park, CA
At So Entrance Yosemite National Park, the median last spring frost (32°F) is May 24 and the median first fall frost is Oct 10, for a typical growing season of 137 days. For a 90% chance that the last frost has passed, wait until Jun 11. Nearby ZIP codes are in USDA hardiness zones 8a to 9a.
- May 24Last spring frost (median)50% chance of 32°F after this date
- Jun 11Safer planting date10% chance of 32°F after this date
- Oct 10First fall frost (median)50% chance of 32°F by this date
- 137 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 23 | Jun 8 | Jun 26 |
| 32°F | May 3 | May 24 | Jun 11 |
| 28°F | Apr 14 | May 3 | May 29 |
| 24°F | Mar 22 | Apr 13 | May 7 |
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 7 | Sep 26 | Oct 13 |
| 32°F | Sep 24 | Oct 10 | Nov 1 |
| 28°F | Oct 3 | Oct 29 | Nov 15 |
| 24°F | Oct 27 | Nov 17 | Dec 6 |
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 | 83 days | 107 days | 129 days |
| 32°F | 112 days | 137 days | 163 days |
| 28°F | 140 days | 173 days | 204 days |
| 24°F | 182 days | 215 days | 246 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 |
|---|---|---|---|
| 93623 | 8a | 10 to 15°F | 5 km |
| 93644 | 9a | 20 to 25°F | 11 km |
| 93601 | 9a | 20 to 25°F | 16 km |
| 95338 | 9a | 20 to 25°F | 31 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 USC00048380, at 37.5122, -119.6331, elevation 1538 m (5,047 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 159.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Yosemite Park HQ (27 km)
- Yosemite Village 12 W (32 km)
- N Fk Ranger Station (33 km)
- Tuolumne Meadows Ranger Station (48 km)
- Auberry 2 NW (48 km)
- Huntington Lake (48 km)
- Hetch Hetchy (52 km)
- Cherry Valley Dam (57 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.