Frost dates 2026–2027

Frost dates for Houma, Louisiana

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Houma, 7.8 mi away (close match).

Last spring frostFeb 5
First fall frostDec 17
312 frost-free days
Last spring frostFeb 51 year in 10 after Mar 7
First fall frostDec 171 year in 10 by Nov 23
Growing season312 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Houma in the next 7 nights?

No overnight lows at or below 32°F are forecast in Houma during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 59°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM CST to Fri, Nov 6, 6:00 AM CST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Houma

The median first fall hard-freeze date (28°F) is January 2, from NOAA’s 1991–2020 Climate Normals at Houma. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Jan 29 · Feb 25 · Mar 19 Nov 8 · Nov 28 · Dec 22 276 days
32°F freeze Jan 6 · Feb 5 · Mar 7 Nov 23 · Dec 17 · Jan 13 312 days
28°F hard freeze Dec 27 · Jan 26 · Feb 24 Dec 7 · Jan 2 · Feb 1 343 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00164407. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Houma

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Houma, LA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Houma (station USC00164407, elevation 8 ft), 7.8 mi from Houma. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Houma

CityDistanceLast spring frostFirst fall frost
Thibodaux, LA 16 mi Feb 5 Dec 14
Morgan City, LA 30 mi Jan 30 Jan 1
Patterson, LA 37 mi Jan 30 Jan 1
Harahan, LA 39 mi Jan 24 Jan 2
Donaldsonville, LA 40 mi Feb 21 Dec 5
Kenner, LA 40 mi Jan 30 Dec 31
Westwego, LA 40 mi Jan 24 Jan 2
Gretna, LA 45 mi Feb 1 Dec 31
Gonzales, LA 45 mi Feb 21 Dec 5
Franklin, LA 50 mi Feb 11 Dec 8

Frequently asked questions

When is the last frost in Houma?

On average, the last spring frost (32°F) in Houma is around February 5. In about 1 year in 10 it comes after March 7, and in 9 years in 10 it comes after January 6.

When is the first frost in Houma?

The first fall frost (32°F) usually arrives around December 17. There’s a 10% chance of a freeze by November 23 and a 90% chance by January 13.

Can it frost in Houma after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after February 25.

What growing zone is Houma?

Houma is in USDA Plant Hardiness Zone 9b (average annual extreme minimum temperature 25 to 30°F), based on the 2023 USDA map for ZIP code 70364. See growing zones in Louisiana.

More: all Louisiana frost dates · Louisiana growing zones · UV index today in Houma · frost vs. freeze