Pocahontas County, Iowa · Frost dates
Pocahontas County frost dates.
First-frost, last-frost, and growing-season length for Pocahontas 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%
- 05-04
- 50%
- 04-26
- 80%
- 04-16
- 90%
- 04-11
First fall frost
- 10%
- 09-25
- 20%
- 09-29
- 50%
- 10-07
- 80%
- 10-15
- 90%
- 10-20
28°F — killing freeze
Last spring freeze
- 10%
- 04-30
- 20%
- 04-25
- 50%
- 04-16
- 80%
- 04-07
- 90%
- 04-03
First fall freeze
- 10%
- 10-03
- 20%
- 10-08
- 50%
- 10-17
- 80%
- 10-25
- 90%
- 10-30
Growing season length (days, 28°F threshold)
- Short year
- 156
- Median
- 184
- Long year
- 210
Source NOAA station
POCAHONTAS, IA US
0.9 mi · 30 yrs of record (1991–2020) · 1212 ft elev.
Data from POCAHONTAS, IA US, 0.9 miles away with 30-year NOAA record (1991-2020).
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