Niagara County, New York · Frost dates
Niagara County frost dates.
First-frost, last-frost, and growing-season length for Niagara County, New York. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-12
- 20%
- 05-07
- 50%
- 04-29
- 80%
- 04-21
- 90%
- 04-18
First fall frost
- 10%
- 10-10
- 20%
- 10-17
- 50%
- 10-28
- 80%
- 11-05
- 90%
- 11-09
28°F — killing freeze
Last spring freeze
- 10%
- 05-01
- 20%
- 04-26
- 50%
- 04-18
- 80%
- 04-10
- 90%
- 04-06
First fall freeze
- 10%
- 10-27
- 20%
- 11-01
- 50%
- 11-07
- 80%
- 11-16
- 90%
- 11-23
Growing season length (days, 28°F threshold)
- Short year
- 179
- Median
- 203
- Long year
- 231
Source NOAA station
YOUNGSTOWN 2 E, NY US
10.0 mi · 30 yrs of record (1991–2020) · 295 ft elev.
Data from YOUNGSTOWN 2 E, NY US, 10 miles away with 30-year NOAA record (1991-2020).
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