Fresno County, California · Frost dates
Fresno County frost dates.
First-frost, last-frost, and growing-season length for Fresno County, California. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 9b
32°F — light freeze
Last spring frost
- 10%
- 03-04
- 20%
- 02-21
- 50%
- 01-30
- 80%
- 01-09
- 90%
- 01-01
First fall frost
- 10%
- 11-25
- 20%
- 12-01
- 50%
- 12-11
- 80%
- 12-29
- 90%
- 01-08
28°F — killing freeze
Last spring freeze
- 10%
- 01-27
- 20%
- 01-19
- 50%
- 01-04
- 80%
- 12-23
- 90%
- 12-16
First fall freeze
- 10%
- 12-05
- 20%
- 12-11
- 50%
- 12-24
- 80%
- 01-06
- 90%
- 01-14
Growing season length (days, 28°F threshold)
- Short year
- 312
- Median
- 354
- Long year
- 394
Source NOAA station
FRESNO 5 NE, CA US
3.0 mi · 30 yrs of record (1991–2020) · 338 ft elev.
Data from FRESNO 5 NE, CA US, 3 miles away with 30-year NOAA record (1991-2020).
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