Converse County, Wyoming · Frost dates

Converse County frost dates.

First-frost, last-frost, and growing-season length for Converse County, Wyoming. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 5a

32°F — light freeze

Last spring frost

10%
06-07
20%
06-01
50%
05-23
80%
05-13
90%
05-10

First fall frost

10%
09-09
20%
09-13
50%
09-22
80%
09-30
90%
10-04

28°F — killing freeze

Last spring freeze

10%
05-24
20%
05-17
50%
05-08
80%
05-01
90%
04-28

First fall freeze

10%
09-17
20%
09-22
50%
10-01
80%
10-10
90%
10-14

Growing season length (days, 28°F threshold)

Short year
116
Median
146
Long year
169

Source NOAA station

DOUGLAS CONVERSE CO AP, WY US

14.7 mi · 30 yrs of record (19912020) · 4929 ft elev.

Data from DOUGLAS CONVERSE CO AP, WY US, 14.7 miles away with 30-year NOAA record (1991-2020).

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