Frost dates for Battle Ground, WA
At Battle Ground, the median last spring frost (32°F) is Apr 26 and the median first fall frost is Oct 16, for a typical growing season of 174 days. For a 90% chance that the last frost has passed, wait until May 12. Nearby ZIP codes are in USDA hardiness zone 8b.
- Apr 26Last spring frost (median)50% chance of 32°F after this date
- May 12Safer planting date10% chance of 32°F after this date
- Oct 16First fall frost (median)50% chance of 32°F by this date
- 174 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 29 | May 13 | May 31 |
| 32°F | Apr 5 | Apr 26 | May 12 |
| 28°F | Mar 4 | Mar 29 | Apr 23 |
| 24°F | Jan 21 | Feb 26 | Mar 24 |
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 11 | Sep 30 | Oct 19 |
| 32°F | Sep 29 | Oct 16 | Nov 10 |
| 28°F | Oct 16 | Nov 5 | Nov 30 |
| 24°F | Oct 28 | Nov 24 | Dec 25 |
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 | 111 days | 137 days | 162 days |
| 32°F | 148 days | 174 days | 203 days |
| 28°F | 190 days | 219 days | 251 days |
| 24°F | 235 days | 273 days | 314 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 |
|---|---|---|---|
| 98604 | 8b | 15 to 20°F | 4 km |
| 98606 | 8b | 15 to 20°F | 7 km |
| 98682 | 8b | 15 to 20°F | 12 km |
| 98629 | 8b | 15 to 20°F | 14 km |
| 98675 | 8b | 15 to 20°F | 20 km |
| 98601 | 8b | 15 to 20°F | 20 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 USC00450482, at 45.7717, -122.5286, elevation 87 m (284 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 70.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Vancouver 4 NNE (14 km)
- Vancouver Pearson Airport (20 km)
- Skamania Fish Hatchery (29 km)
- Cougar 6 E (41 km)
- Carson Fish Hatchery (44 km)
- Longview (52 km)
- Mount Adams Ranger Station (81 km)
- Mayfield Power Plant (82 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.