Ramsey County, Minnesota · Frost dates
Ramsey County frost dates.
First-frost, last-frost, and growing-season length for Ramsey County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-07
- 20%
- 05-01
- 50%
- 04-23
- 80%
- 04-14
- 90%
- 04-09
First fall frost
- 10%
- 10-03
- 20%
- 10-08
- 50%
- 10-20
- 80%
- 10-29
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 04-27
- 20%
- 04-23
- 50%
- 04-14
- 80%
- 04-06
- 90%
- 04-02
First fall freeze
- 10%
- 10-15
- 20%
- 10-21
- 50%
- 10-31
- 80%
- 11-07
- 90%
- 11-12
Growing season length (days, 28°F threshold)
- Short year
- 171
- Median
- 200
- Long year
- 224
Source NOAA station
VADNAIS LAKE, MN US
2.3 mi · 30 yrs of record (1991–2020) · 890 ft elev.
Data from VADNAIS LAKE, MN US, 2.3 miles away with 30-year NOAA record (1991-2020).
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