Teton County, Wyoming · Frost dates

Teton County frost dates.

First-frost, last-frost, and growing-season length for Teton 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%
20%
50%
80%
90%

First fall freeze

10%
20%
50%
80%
90%

Growing season length (days, 28°F threshold)

Short year
0
Median
0
Long year
320

Source NOAA station

SNAKE RVR, WY US

13.4 mi · 25 yrs of record (19912020) · 6882 ft elev.

Data from SNAKE RVR, WY US, 13.4 miles away with 25-year NOAA record (1991-2020).

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