Colusa County, California · Frost dates
Colusa County frost dates.
First-frost, last-frost, and growing-season length for Colusa County, California. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 9b
32°F — light freeze
Last spring frost
- 10%
- 03-31
- 20%
- 03-13
- 50%
- 02-14
- 80%
- 01-16
- 90%
- 01-02
First fall frost
- 10%
- 11-11
- 20%
- 11-17
- 50%
- 12-01
- 80%
- 12-13
- 90%
- 12-26
28°F — killing freeze
Last spring freeze
- 10%
- 02-20
- 20%
- 02-05
- 50%
- 01-08
- 80%
- 12-21
- 90%
- 12-11
First fall freeze
- 10%
- 11-24
- 20%
- 12-01
- 50%
- 12-15
- 80%
- 01-02
- 90%
- 01-17
Growing season length (days, 28°F threshold)
- Short year
- 277
- Median
- 341
- Long year
- 402
Source NOAA station
COLUSA 2 SSW, CA US
11.3 mi · 30 yrs of record (1991–2020) · 50 ft elev.
Data from COLUSA 2 SSW, CA US, 11.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.