Plumas County, California · Frost dates

Plumas County frost dates.

First-frost, last-frost, and growing-season length for Plumas County, California. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 9b

32°F — light freeze

Last spring frost

10%
06-14
20%
06-07
50%
05-22
80%
05-08
90%
05-03

First fall frost

10%
09-04
20%
09-11
50%
09-25
80%
10-04
90%
10-09

28°F — killing freeze

Last spring freeze

10%
05-21
20%
05-12
50%
04-29
80%
04-20
90%
04-15

First fall freeze

10%
09-25
20%
09-30
50%
10-09
80%
10-21
90%
10-27

Growing season length (days, 28°F threshold)

Short year
127
Median
163
Long year
195

Source NOAA station

QUINCY, CA US

7.6 mi · 30 yrs of record (19912020) · 3420 ft elev.

Data from QUINCY, CA US, 7.6 miles away with 30-year NOAA record (1991-2020).

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