Polk County, Nebraska · Frost dates
Polk County frost dates.
First-frost, last-frost, and growing-season length for Polk County, Nebraska. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-08
- 20%
- 05-03
- 50%
- 04-25
- 80%
- 04-17
- 90%
- 04-12
First fall frost
- 10%
- 09-29
- 20%
- 10-04
- 50%
- 10-14
- 80%
- 10-21
- 90%
- 10-24
28°F — killing freeze
Last spring freeze
- 10%
- 04-29
- 20%
- 04-24
- 50%
- 04-16
- 80%
- 04-07
- 90%
- 04-03
First fall freeze
- 10%
- 10-06
- 20%
- 10-13
- 50%
- 10-21
- 80%
- 10-31
- 90%
- 11-04
Growing season length (days, 28°F threshold)
- Short year
- 160
- Median
- 188
- Long year
- 215
Source NOAA station
OSCEOLA, NE US
1.0 mi · 30 yrs of record (1991–2020) · 1662 ft elev.
Data from OSCEOLA, NE US, 1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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