Frost dates / California / Burbank

Frost dates in Burbank, CA

The station on this page is BURBANK VALLEY PUMP PLT, CA US (USC00041194), 1.3 miles from the city point. Population in the Census 2024 estimate is 103,533.

Zone 10aUSDA average annual extreme minimum 30°F to 35°F, from ZIP 91502 (1.3 miles from the city point used on this page).

Median last 32°F is January 2. Median first 32°F is December 26. The 50% growing-season length is 364 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 11Earlier date. A last 32°F on or after this day is common.
50%January 2Median.
10%January 31Later 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%December 5Earlier date. A first 32°F on or before this day is uncommon.
50%December 26Median.
90%January 18Later 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%365
50%364
90%330

36°F threshold

10%50%90%
Last, on or afterMarch 10February 5December 31
First, on or beforeNovember 23December 12January 3
Season at least345 days308 days268 days

Station BURBANK VALLEY PUMP PLT, CA US (USC00041194). Completeness flag S, 28 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 54.8%. Freeze dates are conditional on that threshold occurring. Elevation 199.6 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 Burbank · Zone 10a

Check a crop against this station

Burbank, CA

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

Median last 32°F is January 2. Median first 32°F is December 26. The 50% growing-season length is 364 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%

California. Nearest qualified station: BURBANK VALLEY PUMP PLT, CA US (USC00041194), 1.3 miles. Median last 32°F January 2. Median first 32°F December 26. The 50% growing-season length is 364 days.

Open the ZIP page · Crop guides for California

32°F probabilities at this station
10%50%90%
Last 32°F on or afterJanuary 31January 2December 11
First 32°F on or beforeDecember 5December 26January 18

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.

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