Frost dates / Tennessee / Memphis

Frost dates in Memphis, TN

The station on this page is MEMPHIS INTL AP, TN US (USW00013893), 3.8 miles from the city point. Population in the Census 2024 estimate is 610,919.

Zone 8aUSDA average annual extreme minimum 10°F to 15°F, from ZIP 38114 (1.3 miles from the city point used on this page).

Median last 32°F is March 16. Median first 32°F is November 16. The 50% growing-season length is 244 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%	February 27	Earlier date. A last 32°F on or after this day is common.
50%	March 16	Median.
10%	April 4	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%	November 2	Earlier date. A first 32°F on or before this day is uncommon.
50%	November 16	Median.
90%	December 3	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%	266
50%	244
90%	221

28°F threshold

	10%	50%	90%
Last, on or after	March 23	March 4	February 13
First, on or before	November 10	November 28	December 18
Season at least	292 days	268 days	242 days

36°F threshold

	10%	50%	90%
Last, on or after	April 16	March 29	March 10
First, on or before	October 24	November 5	November 20
Season at least	245 days	222 days	199 days

Station MEMPHIS INTL AP, TN US (USW00013893). Completeness flag S, 30 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 77.4 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Check a crop against this station

Memphis, TN

Zone 8aAverage annual extreme minimum 10°F to 15°F

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

Tennessee. Nearest qualified station: MEMPHIS INTL AP, TN US (USW00013893), 3.8 miles. Median last 32°F March 16. Median first 32°F November 16. The 50% growing-season length is 244 days.

Open the ZIP page

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	April 4	March 16	February 27
First 32°F on or before	November 2	November 16	December 3

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

Frost dates for Tennessee 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.

Date checks use your device’s calendar and appear after the page loads.