Ste. Genevieve County, Missouri · Frost dates
Ste. Genevieve County frost dates.
First-frost, last-frost, and growing-season length for Ste. Genevieve County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-25
- 20%
- 04-19
- 50%
- 04-08
- 80%
- 03-29
- 90%
- 03-22
First fall frost
- 10%
- 10-15
- 20%
- 10-20
- 50%
- 10-30
- 80%
- 11-08
- 90%
- 11-13
28°F — killing freeze
Last spring freeze
- 10%
- 04-13
- 20%
- 04-07
- 50%
- 03-28
- 80%
- 03-15
- 90%
- 03-09
First fall freeze
- 10%
- 10-27
- 20%
- 11-01
- 50%
- 11-10
- 80%
- 11-23
- 90%
- 11-30
Growing season length (days, 28°F threshold)
- Short year
- 197
- Median
- 227
- Long year
- 266
Source NOAA station
KASKASKIA RVR NAVIGATION LOCK, IL US
13.5 mi · 30 yrs of record (1991–2020) · 380 ft elev.
Data from KASKASKIA RVR NAVIGATION LOCK, IL US, 13.5 miles away with 30-year NOAA record (1991-2020).
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