ZIP 95019 Zone 9b

California · USDA zone 9b, average annual extreme minimum 25°F to 30°F.

Nearest qualified station: WATSONVILLE MUNI AP, CA US (USW00023277), 0.2 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is January 31. Median first 32°F is December 9. The 50% growing-season length is 317 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

ProbabilityDateHow to read it
90%December 28Earlier date. A last 32°F on or after this day is common.
50%January 31Median.
10%March 9Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

ProbabilityDateHow to read it
10%November 20Earlier date. A first 32°F on or before this day is uncommon.
50%December 9Median.
90%January 12Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this longDays
10%354
50%317
90%273

28°F threshold

10%50%90%
Last, on or afterJanuary 31January 3December 11
First, on or beforeDecember 3December 25January 20
Season at least365 days364 days335 days

36°F threshold

10%50%90%
Last, on or afterApril 18March 17February 13
First, on or beforeNovember 4November 22December 10
Season at least289 days246 days211 days

Station WATSONVILLE MUNI AP, CA US (USW00023277). Completeness flag R, 17 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 94.6%. Freeze dates are conditional on that threshold occurring. Elevation 48.8 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · California cities