Pend Oreille County, Washington · Frost dates
Pend Oreille County frost dates.
First-frost, last-frost, and growing-season length for Pend Oreille County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 06-04
- 20%
- 05-30
- 50%
- 05-20
- 80%
- 05-11
- 90%
- 05-06
First fall frost
- 10%
- 09-01
- 20%
- 09-03
- 50%
- 09-13
- 80%
- 09-23
- 90%
- 09-30
28°F — killing freeze
Last spring freeze
- 10%
- 05-17
- 20%
- 05-13
- 50%
- 05-04
- 80%
- 04-25
- 90%
- 04-19
First fall freeze
- 10%
- 09-12
- 20%
- 09-17
- 50%
- 09-28
- 80%
- 10-07
- 90%
- 10-13
Growing season length (days, 28°F threshold)
- Short year
- 118
- Median
- 147
- Long year
- 177
Source NOAA station
PRIEST RVR EXP STN, ID US
22.5 mi · 30 yrs of record (1991–2020) · 2371 ft elev.
Data from PRIEST RVR EXP STN, ID US, 22.5 miles away with 30-year NOAA record (1991-2020).
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