Scott County, Iowa · Frost dates
Scott County frost dates.
First-frost, last-frost, and growing-season length for Scott County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-08
- 20%
- 05-03
- 50%
- 04-23
- 80%
- 04-13
- 90%
- 04-08
First fall frost
- 10%
- 10-01
- 20%
- 10-05
- 50%
- 10-15
- 80%
- 10-24
- 90%
- 10-28
28°F — killing freeze
Last spring freeze
- 10%
- 04-30
- 20%
- 04-24
- 50%
- 04-12
- 80%
- 04-02
- 90%
- 03-29
First fall freeze
- 10%
- 10-11
- 20%
- 10-17
- 50%
- 10-24
- 80%
- 11-01
- 90%
- 11-05
Growing season length (days, 28°F threshold)
- Short year
- 164
- Median
- 195
- Long year
- 221
Source NOAA station
DAVENPORT, IA US
3.0 mi · 30 yrs of record (1991–2020) · 754 ft elev.
Data from DAVENPORT, IA US, 3 miles away with 30-year NOAA record (1991-2020).
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