Frost dates 2026–2027

Frost dates for St. Martinville, Louisiana

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Lafayette 13 SE, 3.5 mi away (close match).

Last spring frostFeb 19
First fall frostDec 1
289 frost-free days
Last spring frostFeb 191 year in 10 after Mar 16
First fall frostDec 11 year in 10 by Nov 9
Growing season289 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

Checking current alerts… View NWS forecast and alerts.

Will it freeze in St. Martinville in the next 7 nights?

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

Tonight: forecast low 53°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 St. Martinville

The median first fall hard-freeze date (28°F) is December 19, from NOAA’s 1991–2020 Climate Normals at Lafayette 13 SE. 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 Feb 10 · Mar 8 · Mar 31 Nov 1 · Nov 16 · Dec 6 254 days
32°F freeze Jan 17 · Feb 19 · Mar 16 Nov 9 · Dec 1 · Jan 2 289 days
28°F hard freeze Dec 27 · Jan 30 · Mar 2 Nov 20 · Dec 19 · Jan 26 330 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053960. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Lafayette 13 SE

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 St. Martinville, LA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Lafayette 13 SE (station USW00053960, elevation 35 ft), 3.5 mi from St. Martinville. 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 St. Martinville

CityDistanceLast spring frostFirst fall frost
Broussard, LA 7.5 mi Feb 13 Dec 4
New Iberia, LA 8.7 mi Feb 10 Dec 11
Youngsville, LA 9.9 mi Feb 19 Dec 1
Breaux Bridge, LA 12 mi Feb 13 Dec 4
Lafayette, LA 13 mi Feb 26 Nov 28
Scott, LA 17 mi Feb 26 Nov 28
Carencro, LA 18 mi Feb 26 Nov 28
Abbeville, LA 21 mi Feb 17 Dec 5
Rayne, LA 27 mi Feb 20 Dec 4
Franklin, LA 30 mi Feb 11 Dec 8

Frequently asked questions

When is the last frost in St. Martinville?

On average, the last spring frost (32°F) in St. Martinville is around February 19. In about 1 year in 10 it comes after March 16, and in 9 years in 10 it comes after January 17.

When is the first frost in St. Martinville?

The first fall frost (32°F) usually arrives around December 1. There’s a 10% chance of a freeze by November 9 and a 90% chance by January 2.

Can it frost in St. Martinville 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 March 8.

What growing zone is St. Martinville?

St. Martinville is in USDA Plant Hardiness Zone 9a (average annual extreme minimum temperature 20 to 25°F), based on the 2023 USDA map for ZIP code 70582. See growing zones in Louisiana.

More: all Louisiana frost dates · Louisiana growing zones · frost vs. freeze