Ida County, Iowa · Frost dates
Ida County frost dates.
First-frost, last-frost, and growing-season length for Ida County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-05
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-12
First fall frost
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-12
- 80%
- 10-20
- 90%
- 10-24
28°F — killing freeze
Last spring freeze
- 10%
- 05-01
- 20%
- 04-27
- 50%
- 04-17
- 80%
- 04-06
- 90%
- 04-02
First fall freeze
- 10%
- 10-04
- 20%
- 10-11
- 50%
- 10-21
- 80%
- 10-29
- 90%
- 11-02
Growing season length (days, 28°F threshold)
- Short year
- 156
- Median
- 187
- Long year
- 214
Source NOAA station
IDA GROVE 5NW, IA US
0.4 mi · 30 yrs of record (1991–2020) · 1320 ft elev.
Data from IDA GROVE 5NW, IA US, 0.4 miles away with 30-year NOAA record (1991-2020).
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