Frost dates for Dry Creek, AK
At Dry Creek, the median last spring frost (32°F) is May 30 and the median first fall frost is Aug 24, for a typical growing season of 84 days. For a 90% chance that the last frost has passed, wait until Jun 13. Nearby ZIP codes are in USDA hardiness zone 3a.
- May 30Last spring frost (median)50% chance of 32°F after this date
- Jun 13Safer planting date10% chance of 32°F after this date
- Aug 24First fall frost (median)50% chance of 32°F by this date
- 84 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 |
|---|---|---|---|
| 32°F | May 16 | May 30 | Jun 13 |
| 28°F | May 4 | May 18 | Jun 1 |
| 24°F | Apr 23 | May 7 | May 25 |
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 |
|---|---|---|---|
| 32°F | Aug 9 | Aug 24 | Sep 5 |
| 28°F | Aug 20 | Sep 3 | Sep 20 |
| 24°F | Sep 1 | Sep 16 | Sep 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 | 33 days | 56 days | 77 days |
| 32°F | 65 days | 84 days | 105 days |
| 28°F | 87 days | 108 days | 128 days |
| 24°F | 108 days | 131 days | 151 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 |
|---|---|---|---|
| 99737 | 3a | -40 to -35°F | 43 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 USC00502568, at 63.6747, -144.6042, elevation 413 m (1,355 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 246.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Delta Junction 20 SE (41 km)
- Big Delta Airport (65 km)
- Delta 5 NE (67 km)
- Delta 6 N (75 km)
- Whitestone Farms (82 km)
- Paxson (84 km)
- Glennallen 64 N (85 km)
- Tok (86 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.