Oswego County, New York · Frost dates
Oswego County frost dates.
First-frost, last-frost, and growing-season length for Oswego County, New York. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-26
- 20%
- 05-21
- 50%
- 05-10
- 80%
- 04-30
- 90%
- 04-25
First fall frost
- 10%
- 09-29
- 20%
- 10-03
- 50%
- 10-14
- 80%
- 10-27
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 05-15
- 20%
- 05-09
- 50%
- 04-28
- 80%
- 04-20
- 90%
- 04-15
First fall freeze
- 10%
- 10-11
- 20%
- 10-19
- 50%
- 11-01
- 80%
- 11-10
- 90%
- 11-15
Growing season length (days, 28°F threshold)
- Short year
- 149
- Median
- 187
- Long year
- 214
Source NOAA station
PULASKI, NY US
8.8 mi · 30 yrs of record (1991–2020) · 399 ft elev.
Data from PULASKI, NY US, 8.8 miles away with 30-year NOAA record (1991-2020).
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