Malheur County, Oregon · Frost dates
Malheur County frost dates.
First-frost, last-frost, and growing-season length for Malheur County, Oregon. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 07-03
- 20%
- 06-25
- 50%
- 06-11
- 80%
- 05-29
- 90%
- 05-20
First fall frost
- 10%
- 08-27
- 20%
- 09-01
- 50%
- 09-10
- 80%
- 09-19
- 90%
- 09-24
28°F — killing freeze
Last spring freeze
- 10%
- 06-19
- 20%
- 06-08
- 50%
- 05-22
- 80%
- 05-09
- 90%
- 05-04
First fall freeze
- 10%
- 09-07
- 20%
- 09-11
- 50%
- 09-21
- 80%
- 10-01
- 90%
- 10-05
Growing season length (days, 28°F threshold)
- Short year
- 80
- Median
- 122
- Long year
- 154
Source NOAA station
ROME 2 NW, OR US
22.9 mi · 30 yrs of record (1991–2020) · 3405 ft elev.
Data from ROME 2 NW, OR US, 22.9 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.