Putnam County, Missouri · Frost dates

Putnam County frost dates.

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

Data confidence: high · USDA zone: 6a

32°F — light freeze

Last spring frost

10%
04-30
20%
04-26
50%
04-17
80%
04-09
90%
04-04

First fall frost

10%
10-07
20%
10-12
50%
10-22
80%
10-29
90%
11-01

28°F — killing freeze

Last spring freeze

10%
04-22
20%
04-18
50%
04-08
80%
03-31
90%
03-25

First fall freeze

10%
10-19
20%
10-22
50%
10-31
80%
11-06
90%
11-12

Growing season length (days, 28°F threshold)

Short year
180
Median
206
Long year
232

Source NOAA station

UNIONVILLE, MO US

0.7 mi · 30 yrs of record (19912020) · 1060 ft elev.

Data from UNIONVILLE, MO US, 0.7 miles away with 30-year NOAA record (1991-2020).

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