Sherman County, Oregon · Frost dates
Sherman County frost dates.
First-frost, last-frost, and growing-season length for Sherman County, Oregon. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 05-31
- 20%
- 05-24
- 50%
- 05-12
- 80%
- 05-01
- 90%
- 04-27
First fall frost
- 10%
- 09-16
- 20%
- 09-24
- 50%
- 10-04
- 80%
- 10-13
- 90%
- 10-18
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-05
- 50%
- 04-26
- 80%
- 04-14
- 90%
- 04-08
First fall freeze
- 10%
- 10-01
- 20%
- 10-06
- 50%
- 10-16
- 80%
- 10-27
- 90%
- 11-02
Growing season length (days, 28°F threshold)
- Short year
- 143
- Median
- 173
- Long year
- 208
Source NOAA station
MORO, OR US
6.2 mi · 30 yrs of record (1991–2020) · 1870 ft elev.
Data from MORO, OR US, 6.2 miles away with 30-year NOAA record (1991-2020).
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