Polk County, Missouri · Frost dates
Polk County frost dates.
First-frost, last-frost, and growing-season length for Polk County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-02
- 20%
- 04-26
- 50%
- 04-14
- 80%
- 04-02
- 90%
- 03-29
First fall frost
- 10%
- 10-08
- 20%
- 10-14
- 50%
- 10-23
- 80%
- 11-01
- 90%
- 11-04
28°F — killing freeze
Last spring freeze
- 10%
- 04-18
- 20%
- 04-12
- 50%
- 04-01
- 80%
- 03-22
- 90%
- 03-17
First fall freeze
- 10%
- 10-18
- 20%
- 10-23
- 50%
- 11-01
- 80%
- 11-11
- 90%
- 11-16
Growing season length (days, 28°F threshold)
- Short year
- 183
- Median
- 214
- Long year
- 244
Source NOAA station
BOLIVAR 1 NE, MO US
0.5 mi · 30 yrs of record (1991–2020) · 987 ft elev.
Data from BOLIVAR 1 NE, MO US, 0.5 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.