When is the last frost in Montgomery, AL?

The average (50% probability) last spring frost in Montgomery is March 13, based on NOAA 1991–2020 normals. A 1-in-10 risk remains until March 31.

When is the first frost in Montgomery?

The average first fall frost in Montgomery is November 13, with a growing season of about 244 days.

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Montgomery, Alabama frost dates

Average last spring frost: March 13. Average first fall frost: November 13. That gives a growing season of about 244 days. For frost-tender plants, a safer planting date is March 31, after which a freeze happens in only 1 year in 10.

Last frost (50%)

Mar 13

1-in-10 risk after Mar 31

First frost (50%)

Nov 13

1-in-10 risk before Oct 31

Growing season

244 days

median frost-free days

Hard freeze (28°F)

Feb 27

median last 28°F in spring

Frost risk by date

Chance of frost	Spring: frost after	Fall: frost before
90%	February 20	December 1
70%	March 4	November 19
50%	March 13	November 13
30%	March 20	November 6
10%	March 31	October 31

Read the spring column like this: there is a 10% chance of a 32°F freeze after March 31. These are NOAA probabilities for the Montgomery Airport weather station (USW00013895, elevation 62 m), 1991–2020.

Montgomery vegetable planting calendar

Dates count from the 50% last-frost date (March 13). For tomatoes, peppers and other frost-tender crops, waiting until the 10% date (Mar 31) is the cautious choice.

Crop	Start seeds indoors	Plant out
Beans	Feb 20	Mar 20 (usually sown directly in the garden)
Broccoli	Jan 2	Feb 13
Brussels sprouts	Jan 2	Feb 13
Cabbage	Dec 26	Feb 6
Cauliflower	Jan 16	Feb 27
Sweet corn	Feb 13	Mar 13 (usually sown directly in the garden)
Cucumbers	Feb 27	Mar 20
Kale	Dec 26	Feb 6
Leeks	Nov 28	Feb 6
Lettuce	Jan 23	Feb 27
Melons	Mar 6	Mar 27
Onions	Nov 21	Jan 30 (from seed; sets and transplants go out at the same time)
Peas	Jan 16	Feb 13 (usually sown directly in the garden)
Peppers	Jan 30	Mar 27
Squash	Mar 6	Mar 27
Tomatoes	Jan 16	Mar 13

Offsets from Oregon State University Extension's seed-starting table. "Plant out" means transplant, or sow directly for crops usually grown from seed.

Fall frost and season extension

The first fall freeze usually arrives around November 13. There's a 1-in-10 chance it comes before October 31. Harvest tender crops such as basil, tomatoes, peppers and squash before then, or cover them on cold nights. Cool-season crops like kale, cabbage and Brussels sprouts handle light frost, and often taste sweeter after it. A hard freeze (28°F) typically comes around November 25.

Nearby cities

City	Last frost (50%)	First frost (50%)	Distance
Birmingham, AL	Mar 21	Nov 11	~144 km
Atlanta, GA	Mar 15	Nov 20	~236 km
Huntsville, AL	Mar 24	Nov 8	~263 km
Tallahassee, FL	Mar 11	Nov 21	~287 km
Chattanooga, TN	Mar 24	Nov 9	~324 km
Jackson, MS	Mar 14	Nov 14	~344 km

More: all Alabama frost dates