Frost dates for Crescent City McNamara Airport, CA
At Crescent City McNamara Airport, the median last spring frost (32°F) is Jan 30 and the median first fall frost is Dec 25, for a typical growing season of 334 days. For a 90% chance that the last frost has passed, wait until Mar 13. Nearby ZIP codes are in USDA hardiness zones 8a to 9b.
- Jan 30Last spring frost (median)50% chance of 32°F after this date
- Mar 13Safer planting date10% chance of 32°F after this date
- Dec 25First fall frost (median)50% chance of 32°F by this date
- 334 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 15 | Mar 28 | Apr 25 |
| 32°F | Dec 18 | Jan 30 | Mar 13 |
| 28°F | Dec 10 | Dec 31 | Jan 28 |
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 29 | Nov 22 | Dec 20 |
| 32°F | Nov 24 | Dec 25 | Feb 15 |
| 28°F | Dec 9 | Dec 27 | Jan 26 |
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 | 202 days | 243 days | 289 days |
| 32°F | 283 days | 334 days | 365 days |
| 28°F | 351 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 75% |
| 28°F | 15% |
| 24°F | 2% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 95538 | 9b | 25 to 30°F | 12 km |
| 95531 | 9b | 25 to 30°F | 13 km |
| 95567 | 9b | 25 to 30°F | 22 km |
| 95548 | 9b | 25 to 30°F | 26 km |
| 95543 | 8a | 10 to 15°F | 38 km |
| 97415 | 9b | 25 to 30°F | 41 km |
| 97534 | 8b | 15 to 20°F | 52 km |
| 95555 | 9b | 25 to 30°F | 57 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 USW00024286, at 41.7803, -124.2367, elevation 17 m (56 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 4.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Crescent City 3 NNW (3 km)
- Klamath (26 km)
- Orick Prairie Creek Park (50 km)
- Orleans (79 km)
- Arcata Eureka Airport (90 km)
- Eureka WFO Woodley Island (108 km)
- Cecilville (116 km)
- Callahan (127 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.