Frost dates for Aberdeen 20nne, WA
At Aberdeen 20nne, the median last spring frost (32°F) is Apr 15 and the median first fall frost is Nov 2, for a typical growing season of 200 days. For a 90% chance that the last frost has passed, wait until May 8. Nearby ZIP codes are in USDA hardiness zone 8b.
- Apr 15Last spring frost (median)50% chance of 32°F after this date
- May 8Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 200 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 20 | May 6 | May 28 |
| 32°F | Mar 23 | Apr 15 | May 8 |
| 28°F | Feb 7 | Mar 10 | Apr 8 |
| 24°F | Dec 10 | Jan 31 | Mar 4 |
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 30 | Oct 16 | Nov 1 |
| 32°F | Oct 17 | Nov 2 | Nov 26 |
| 28°F | Nov 2 | Nov 27 | Dec 29 |
| 24°F | Nov 18 | Dec 18 | Feb 2 |
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 | 132 days | 159 days | 183 days |
| 32°F | 170 days | 200 days | 232 days |
| 28°F | 220 days | 260 days | 306 days |
| 24°F | 279 days | 328 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 87% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 98563 | 8b | 15 to 20°F | 10 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 USC00450013, at 47.2614, -123.7147, elevation 133 m (435 ft).
- Data quality: Representative (10+ years), 11 years of freeze data.
- Average days per year at or below 32°F: 60.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Humptulips Salmon Hatchery (21 km)
- Matlock 8 S (27 km)
- Quinault 4 NE (29 km)
- Aberdeen (34 km)
- Hoquiam Bowerman Airport (36 km)
- Elma (37 km)
- Shelton Sanderson Field (43 km)
- Cushman Powerhouse #2 (44 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.