Crawford County, Iowa · Frost dates
Crawford County frost dates.
First-frost, last-frost, and growing-season length for Crawford County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-09
- 20%
- 05-04
- 50%
- 04-27
- 80%
- 04-18
- 90%
- 04-13
First fall frost
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-11
- 80%
- 10-20
- 90%
- 10-25
28°F — killing freeze
Last spring freeze
- 10%
- 04-30
- 20%
- 04-27
- 50%
- 04-17
- 80%
- 04-07
- 90%
- 04-03
First fall freeze
- 10%
- 10-05
- 20%
- 10-13
- 50%
- 10-22
- 80%
- 10-30
- 90%
- 11-04
Growing season length (days, 28°F threshold)
- Short year
- 158
- Median
- 188
- Long year
- 215
Source NOAA station
DENISON, IA US
3.1 mi · 30 yrs of record (1991–2020) · 1401 ft elev.
Data from DENISON, IA US, 3.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.