Monroe County, New York · Frost dates
Monroe County frost dates.
First-frost, last-frost, and growing-season length for Monroe County, New York. 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%
- 04-24
- 80%
- 04-16
- 90%
- 04-12
First fall frost
- 10%
- 10-08
- 20%
- 10-14
- 50%
- 10-25
- 80%
- 11-03
- 90%
- 11-07
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-22
- 50%
- 04-14
- 80%
- 04-04
- 90%
- 04-01
First fall freeze
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-06
- 80%
- 11-15
- 90%
- 11-21
Growing season length (days, 28°F threshold)
- Short year
- 182
- Median
- 206
- Long year
- 234
Source NOAA station
ROCHESTER GTR INTL AP, NY US
9.3 mi · 30 yrs of record (1991–2020) · 533 ft elev.
Data from ROCHESTER GTR INTL AP, NY US, 9.3 miles away with 30-year NOAA record (1991-2020).
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