Frost dates for Madera Muni Airport, CA
At Madera Muni Airport, the median last spring frost (32°F) is Feb 12 and the median first fall frost is Nov 30, for a typical growing season of 293 days. For a 90% chance that the last frost has passed, wait until Mar 17. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Feb 12Last spring frost (median)50% chance of 32°F after this date
- Mar 17Safer planting date10% chance of 32°F after this date
- Nov 30First fall frost (median)50% chance of 32°F by this date
- 293 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 | Feb 24 | Mar 23 | Apr 17 |
| 32°F | Jan 6 | Feb 12 | Mar 17 |
| 28°F | Dec 11 | Jan 7 | Feb 12 |
| 24°F | Dec 11 | Dec 31 | Jan 20 |
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 | Oct 30 | Nov 15 | Dec 1 |
| 32°F | Nov 14 | Nov 30 | Jan 3 |
| 28°F | Nov 24 | Dec 15 | Jan 19 |
| 24°F | Dec 5 | Dec 23 | Jan 11 |
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 | 206 days | 235 days | 269 days |
| 32°F | 256 days | 293 days | 329 days |
| 28°F | 310 days | 341 days | 365 days |
| 24°F | 341 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 99% |
| 28°F | 72% |
| 24°F | 24% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 93638 | 9b | 25 to 30°F | 9 km |
| 93637 | 9a | 20 to 25°F | 10 km |
| 93610 | 9a | 20 to 25°F | 19 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 USW00093242, at 36.9878, -120.1106, elevation 77 m (253 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 25.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Madera (7 km)
- Friant Government Camp (36 km)
- Fresno Yosemite Intl Airport (42 km)
- Fresno 5 NE (43 km)
- Merced Muni Airport (49 km)
- Merced (49 km)
- Auberry 2 NW (54 km)
- N Fk Ranger Station (60 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.