Alaska · NOAA station USC00503304
Frost dates for Gennallen Kcam, AK
Gennallen Kcam can freeze in any month: NOAA flags it as having a year-round risk of 32°F, too cold to compute spring and fall frost dates. The median stretch between 32°F freezes is 61 days. Nearby ZIP codes are in USDA hardiness zones 2b to 8a.
- 100%Chance of 32°F in a year
- 61 daysMedian freeze-free stretch
- 248Days at or below 32°Faverage per year
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 99573 | 4b | -25 to -20°F | 60 km |
| 99588 | 2b | -45 to -40°F | 90 km |
| 99586 | 2b | -45 to -40°F | 93 km |
| 99686 | 5a | -20 to -15°F | 123 km |
| 99674 | 4b | -25 to -20°F | 145 km |
| 99677 | 8a | 10 to 15°F | 148 km |
| 99737 | 3a | -40 to -35°F | 149 km |
| 99574 | 5a | -20 to -15°F | 155 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 USC00503304, at 62.1086, -145.5331, elevation 422 m (1,383 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 248.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Gulkana Airport (7 km)
- Tonsina (54 km)
- Lake Susitna (71 km)
- Silver Lake (96 km)
- Glennallen 64 N (102 km)
- Paxson (103 km)
- Valdez WSO (117 km)
- Valdez (118 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.