Sublette County, Wyoming · Frost dates
Sublette County frost dates.
First-frost, last-frost, and growing-season length for Sublette County, Wyoming. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- —
- 20%
- —
- 50%
- —
- 80%
- —
- 90%
- —
First fall frost
- 10%
- —
- 20%
- —
- 50%
- —
- 80%
- —
- 90%
- —
28°F — killing freeze
Last spring freeze
- 10%
- 06-23
- 20%
- 06-17
- 50%
- 06-05
- 80%
- 05-28
- 90%
- 05-22
First fall freeze
- 10%
- 08-22
- 20%
- 08-26
- 50%
- 09-04
- 80%
- 09-12
- 90%
- 09-17
Growing season length (days, 28°F threshold)
- Short year
- 60
- Median
- 91
- Long year
- 118
Source NOAA station
PINEDALE, WY US
7.9 mi · 30 yrs of record (1991–2020) · 7210 ft elev.
Data from PINEDALE, WY US, 7.9 miles away with 30-year NOAA record (1991-2020).
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