Frost dates · Oregon
Oregon frost dates,
county by county.
Last spring frost and first fall frost probability data for all 36 counties in Oregon, computed from the NOAA 1991–2020 Climate Normals. Every county page surfaces the full probability table at three temperature thresholds plus crop-specific planting guidance.
Variation across Oregon
997 days separate the earliest and latest counties.
The median last spring frost in Curry County is January 2 — 997 days earlier than Deschutes County at —. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
Alphabetical
All Oregon counties — A to Z.
- Baker County
- Benton County
- Clackamas County
- Clatsop County
- Columbia County
- Coos County
- Crook County
- Curry County
- Deschutes County
- Douglas County
- Gilliam County
- Grant County
- Harney County
- Hood River County
- Jackson County
- Jefferson County
- Josephine County
- Klamath County
- Lake County
- Lane County
- Lincoln County
- Linn County
- Malheur County
- Marion County
- Morrow County
- Multnomah County
- Polk County
- Sherman County
- Tillamook County
- Umatilla County
- Union County
- Wallowa County
- Wasco County
- Washington County
- Wheeler County
- Yamhill County