Davis County, Iowa · Frost dates
Davis County frost dates.
First-frost, last-frost, and growing-season length for Davis County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 04-30
- 20%
- 04-26
- 50%
- 04-16
- 80%
- 04-06
- 90%
- 04-01
First fall frost
- 10%
- 10-05
- 20%
- 10-12
- 50%
- 10-22
- 80%
- 10-30
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 04-20
- 20%
- 04-16
- 50%
- 04-06
- 80%
- 03-29
- 90%
- 03-22
First fall freeze
- 10%
- 10-19
- 20%
- 10-24
- 50%
- 10-31
- 80%
- 11-07
- 90%
- 11-12
Growing season length (days, 28°F threshold)
- Short year
- 182
- Median
- 208
- Long year
- 235
Source NOAA station
BLOOMFIELD, IA US
0.6 mi · 30 yrs of record (1991–2020) · 858 ft elev.
Data from BLOOMFIELD, IA US, 0.6 miles away with 30-year NOAA record (1991-2020).
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