Muscatine County, Iowa · Frost dates
Muscatine County frost dates.
First-frost, last-frost, and growing-season length for Muscatine County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-02
- 20%
- 04-30
- 50%
- 04-18
- 80%
- 04-09
- 90%
- 04-04
First fall frost
- 10%
- 10-08
- 20%
- 10-13
- 50%
- 10-22
- 80%
- 10-29
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 04-23
- 20%
- 04-18
- 50%
- 04-07
- 80%
- 03-31
- 90%
- 03-25
First fall freeze
- 10%
- 10-19
- 20%
- 10-23
- 50%
- 10-31
- 80%
- 11-08
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 179
- Median
- 207
- Long year
- 233
Source NOAA station
MUSCATINE 2N, IA US
3.8 mi · 30 yrs of record (1991–2020) · 680 ft elev.
Data from MUSCATINE 2N, IA US, 3.8 miles away with 30-year NOAA record (1991-2020).
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