Frost dates for Marysville Yuba Co Airport, CA
At Marysville Yuba Co Airport, the median last spring frost (32°F) is Feb 11 and the median first fall frost is Nov 30, for a typical growing season of 289 days. For a 90% chance that the last frost has passed, wait until Mar 12. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 11Last spring frost (median)50% chance of 32°F after this date
- Mar 12Safer planting date10% chance of 32°F after this date
- Nov 30First fall frost (median)50% chance of 32°F by this date
- 289 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 20 | Mar 21 | Apr 16 |
| 32°F | Jan 6 | Feb 11 | Mar 12 |
| 28°F | Dec 14 | Jan 12 | Feb 10 |
| 24°F | Dec 13 | Jan 2 | Jan 26 |
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 14 | Dec 1 |
| 32°F | Nov 12 | Nov 30 | Dec 21 |
| 28°F | Nov 24 | Dec 13 | Jan 11 |
| 24°F | Dec 6 | Dec 27 | Jan 18 |
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 | 205 days | 236 days | 272 days |
| 32°F | 248 days | 289 days | 329 days |
| 28°F | 305 days | 337 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 | 100% |
| 28°F | 81% |
| 24°F | 33% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 95961 | 9b | 25 to 30°F | 7 km |
| 95993 | 9b | 25 to 30°F | 10 km |
| 95991 | 9b | 25 to 30°F | 10 km |
| 95692 | 9b | 25 to 30°F | 15 km |
| 95903 | 9b | 25 to 30°F | 17 km |
| 95674 | 9b | 25 to 30°F | 18 km |
| 95681 | 9b | 25 to 30°F | 22 km |
| 95957 | 9b | 25 to 30°F | 23 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 USW00093205, at 39.1019, -121.5678, elevation 19 m (62 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 23.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Marysville (5 km)
- Colusa 2 SSW (41 km)
- Dobbins 1 S (42 km)
- Oroville Muni Airport (43 km)
- Grass Valley #2 (45 km)
- Sacramento Metro Airport (45 km)
- Oroville (46 km)
- Auburn (47 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.