Frost dates for Point Baker, AK
At Point Baker, the median last spring frost (32°F) is Apr 19 and the median first fall frost is Oct 25, for a typical growing season of 187 days. For a 90% chance that the last frost has passed, wait until May 5. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Apr 19Last spring frost (median)50% chance of 32°F after this date
- May 5Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 187 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 | Apr 25 | May 9 | May 25 |
| 32°F | Apr 4 | Apr 19 | May 5 |
| 28°F | Mar 14 | Apr 3 | Apr 22 |
| 24°F | Feb 21 | Mar 23 | Apr 12 |
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 25 | Oct 10 | Oct 24 |
| 32°F | Oct 5 | Oct 25 | Nov 11 |
| 28°F | Oct 19 | Nov 8 | Dec 2 |
| 24°F | Nov 2 | Nov 26 | Dec 30 |
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 | 131 days | 153 days | 172 days |
| 32°F | 164 days | 187 days | 211 days |
| 28°F | 192 days | 219 days | 250 days |
| 24°F | 215 days | 251 days | 288 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 |
|---|---|---|---|
| 99927 | 8a | 10 to 15°F | 2 km |
| 99830 | 7b | 5 to 10°F | 55 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 USC00507421, at 56.3511, -133.6264, elevation 6 m (20 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 85.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Little Port Walter (63 km)
- Port Alexander (64 km)
- Petersburg 1 (66 km)
- Wrangell Airport (77 km)
- Klawock Airport (92 km)
- Thorne Bay (100 km)
- Craig (102 km)
- Hidden Falls Hatchery (123 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.