Frost dates 2026–2027

Frost dates for Louisville, Mississippi

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Louisville, 1.3 mi away (close match).

Last spring frostMar 21
First fall frostNov 13
235 frost-free days
Last spring frostMar 211 year in 10 after Apr 9
First fall frostNov 131 year in 10 by Oct 30
Growing season235 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

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Will it freeze in Louisville in the next 7 nights?

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

Tonight: forecast low 47°F. Above 36°F.

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

2 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

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 Louisville

The median first fall hard-freeze date (28°F) is November 27, from NOAA’s 1991–2020 Climate Normals at Louisville. 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 Mar 17 · Apr 4 · Apr 21 Oct 21 · Nov 1 · Nov 17 211 days
32°F freeze Mar 1 · Mar 21 · Apr 9 Oct 30 · Nov 13 · Dec 1 235 days
28°F hard freeze Feb 12 · Mar 7 · Mar 24 Nov 6 · Nov 27 · Dec 18 264 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00225247. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Louisville

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 Louisville, MS come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Louisville (station USC00225247, elevation 581 ft), 1.3 mi from Louisville. 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 Louisville

CityDistanceLast spring frostFirst fall frost
Philadelphia, MS 24 mi Mar 20 Nov 9
Starkville, MS 27 mi Mar 23 Nov 8
Kosciusko, MS 31 mi Mar 18 Nov 11
West Point, MS 40 mi Mar 23 Nov 8
Columbus, MS 46 mi Mar 13 Nov 12
Meridian, MS 55 mi Mar 16 Nov 12
Forest, MS 58 mi Mar 28 Nov 2
Grenada, MS 63 mi Mar 28 Nov 4
Canton, MS 67 mi Mar 22 Nov 6
Amory, MS 68 mi Mar 29 Nov 5

Frequently asked questions

When is the last frost in Louisville?

On average, the last spring frost (32°F) in Louisville is around March 21. In about 1 year in 10 it comes after April 9, and in 9 years in 10 it comes after March 1.

When is the first frost in Louisville?

The first fall frost (32°F) usually arrives around November 13. There’s a 10% chance of a freeze by October 30 and a 90% chance by December 1.

Can it frost in Louisville 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 April 4.

What growing zone is Louisville?

Louisville is in USDA Plant Hardiness Zone 8a (average annual extreme minimum temperature 10 to 15°F), based on the 2023 USDA map for ZIP code 39339. See growing zones in Mississippi.

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