Phelps County, Missouri · Frost dates
Phelps County frost dates.
First-frost, last-frost, and growing-season length for Phelps County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-22
- 20%
- 04-16
- 50%
- 04-05
- 80%
- 03-26
- 90%
- 03-21
First fall frost
- 10%
- 10-18
- 20%
- 10-22
- 50%
- 11-01
- 80%
- 11-09
- 90%
- 11-15
28°F — killing freeze
Last spring freeze
- 10%
- 04-10
- 20%
- 04-05
- 50%
- 03-26
- 80%
- 03-16
- 90%
- 03-10
First fall freeze
- 10%
- 10-28
- 20%
- 11-01
- 50%
- 11-10
- 80%
- 11-23
- 90%
- 11-28
Growing season length (days, 28°F threshold)
- Short year
- 201
- Median
- 229
- Long year
- 263
Source NOAA station
ROLLA MISSOURI S&T, MO US
6.3 mi · 30 yrs of record (1991–2020) · 1173 ft elev.
Data from ROLLA MISSOURI S&T, MO US, 6.3 miles away with 30-year NOAA record (1991-2020).
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