Frost dates for Nome Muni Airport, AK
At Nome Muni Airport, the median last spring frost (32°F) is Jun 5 and the median first fall frost is Sep 3, for a typical growing season of 88 days. For a 90% chance that the last frost has passed, wait until Jun 26. Nearby ZIP codes are in USDA hardiness zones 3a to 4b.
- Jun 5Last spring frost (median)50% chance of 32°F after this date
- Jun 26Safer planting date10% chance of 32°F after this date
- Sep 3First fall frost (median)50% chance of 32°F by this date
- 88 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 20 | Jun 5 | Jun 26 |
| 28°F | May 7 | May 23 | Jun 6 |
| 24°F | Apr 30 | May 11 | May 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 |
|---|---|---|---|
| 32°F | Aug 15 | Sep 3 | Sep 22 |
| 28°F | Sep 1 | Sep 19 | Oct 6 |
| 24°F | Sep 14 | Oct 1 | Oct 17 |
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 | 30 days | 51 days | 78 days |
| 32°F | 63 days | 88 days | 112 days |
| 28°F | 94 days | 117 days | 140 days |
| 24°F | 120 days | 141 days | 163 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 |
|---|---|---|---|
| 99762 | 3b | -35 to -30°F | 45 km |
| 99778 | 3a | -40 to -35°F | 93 km |
| 99784 | 4a | -30 to -25°F | 99 km |
| 99785 | 3a | -40 to -35°F | 105 km |
| 99783 | 3b | -35 to -30°F | 174 km |
| 99620 | 4a | -30 to -25°F | 189 km |
| 99581 | 4a | -30 to -25°F | 191 km |
| 99671 | 3b | -35 to -30°F | 193 km |
| 99554 | 4a | -30 to -25°F | 204 km |
| 99666 | 4a | -30 to -25°F | 231 km |
| 99769 | 4a | -30 to -25°F | 262 km |
| 99742 | 4b | -25 to -20°F | 315 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 USW00026617, at 64.5111, -165.4400, elevation 4 m (13 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 231.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Deering Airport (213 km)
- Kotzebue Ralph Wein Airport (292 km)
- Kaltag Airport (322 km)
- Kivalina Airport (360 km)
- Galena (409 km)
- Bethel Airport (453 km)
- McGrath Airport (513 km)
- Ruby 44 ESE (541 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.