Frost dates / Louisiana / Kenner

Frost dates in Kenner, LA

The station on this page is NEW ORLEANS INTL AP, LA US (USW00012916), 1.2 miles from the city point. Population in the Census 2024 estimate is 64,650.

Zone 9bUSDA average annual extreme minimum 25°F to 30°F, from ZIP 70065 (1.1 miles from the city point used on this page).

Median last 32°F is January 30. Median first 32°F is December 31. The 50% growing-season length is 333 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 29	Earlier date. A last 32°F on or after this day is common.
50%	January 30	Median.
10%	February 27	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 1	Earlier date. A first 32°F on or before this day is uncommon.
50%	December 31	Median.
90%	January 31	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%	333
90%	296

28°F threshold

	10%	50%	90%
Last, on or after	February 14	January 20	December 24
First, on or before	December 11	January 7	February 6
Season at least	365 days	365 days	327 days

36°F threshold

	10%	50%	90%
Last, on or after	March 12	February 16	January 20
First, on or before	November 16	December 9	January 8
Season at least	332 days	297 days	261 days

Station NEW ORLEANS INTL AP, LA US (USW00012916). Completeness flag S, 25 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 86.8%. Freeze dates are conditional on that threshold occurring. Elevation 1.2 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

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Kenner, LA

Zone 9bAverage annual extreme minimum 25°F to 30°F

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

Louisiana. Nearest qualified station: NEW ORLEANS INTL AP, LA US (USW00012916), 1.2 miles. Median last 32°F January 30. Median first 32°F December 31. The 50% growing-season length is 333 days.

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32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	February 27	January 30	December 29
First 32°F on or before	December 1	December 31	January 31

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.

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Planting calendar

Frost dates for Louisiana are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.

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