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 (1991–2020) · 1060 ft elev.
Data from UNIONVILLE, MO US, 0.7 miles away with 30-year NOAA record (1991-2020).
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