Buena Vista County, Iowa · Frost dates
Buena Vista County frost dates.
First-frost, last-frost, and growing-season length for Buena Vista County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-07
- 20%
- 05-03
- 50%
- 04-25
- 80%
- 04-16
- 90%
- 04-11
First fall frost
- 10%
- 10-01
- 20%
- 10-04
- 50%
- 10-13
- 80%
- 10-21
- 90%
- 10-25
28°F — killing freeze
Last spring freeze
- 10%
- 04-29
- 20%
- 04-24
- 50%
- 04-15
- 80%
- 04-06
- 90%
- 04-02
First fall freeze
- 10%
- 10-11
- 20%
- 10-15
- 50%
- 10-23
- 80%
- 11-01
- 90%
- 11-05
Growing season length (days, 28°F threshold)
- Short year
- 165
- Median
- 191
- Long year
- 217
Source NOAA station
STORM LAKE, IA US
7.0 mi · 30 yrs of record (1991–2020) · 1442 ft elev.
Data from STORM LAKE, IA US, 7 miles away with 30-year NOAA record (1991-2020).
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