Frost dates / California / Indio

Frost dates in Indio, CA

The station on this page is INDIO FIRE STN, CA US (USC00044259), 2 miles from the city point. Population in the Census 2024 estimate is 94,275.

Zone 10aUSDA average annual extreme minimum 30°F to 35°F, from ZIP 92203 (1.4 miles from the city point used on this page).

Median last 32°F is December 31. Median first 32°F is December 27. The 50% growing-season length is 365 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.

Probability	Date	How to read it
90%	December 10	Earlier date. A last 32°F on or after this day is common.
50%	December 31	Median.
10%	January 21	Later 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.

Probability	Date	How to read it
10%	December 8	Earlier date. A first 32°F on or before this day is uncommon.
50%	December 27	Median.
90%	January 13	Later 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 long	Days
10%	365
50%	365
90%	348

36°F threshold

	10%	50%	90%
Last, on or after	January 31	January 1	December 10
First, on or before	November 30	December 18	January 7
Season at least	365 days	349 days	320 days

Station INDIO FIRE STN, CA US (USC00044259). Completeness flag R, 14 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 29.8%. Freeze dates are conditional on that threshold occurring. Elevation -6.4 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Planting calendar for Indio · Zone 10a

Check a crop against this station

Indio, CA

Zone 10aAverage annual extreme minimum 30°F to 35°F

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

California. Nearest qualified station: INDIO FIRE STN, CA US (USC00044259), 2 miles. Median last 32°F December 31. Median first 32°F December 27. The 50% growing-season length is 365 days.

Open the ZIP page · Crop guides for California

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	January 21	December 31	December 10
First 32°F on or before	December 8	December 27	January 13

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Windows below are from UC ANR, UC Master Gardener Program, Time of planting, retrieved 2026-10-10. North and North Coast = Monterey County north; South Coast = San Luis Obispo County south; Interior Valleys = Sacramento, San Joaquin, and similar valleys; Desert Valleys = Imperial and Coachella Valleys. Source line on the page: California Master Gardener Handbook, Table 13.2, Adapted from Vegetable Gardening Illustrated 1994.

Crop

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