Foster-Fair House · Photo: rossograph · CC BY-SA 4.0Few U.S. towns get more rain and snow than Louisville: 57 inches a year
July afternoons average 91°. Summer afternoons here are warmer than in 81% of U.S. towns. Since 1901–2000, the year has warmed by 0.6°, most of all in February. Warm coats and heating bills mark the months from December to February, when means dip under 50°.
A year in Louisville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Louisville’s climate
Compared with towns across the U.S., with Louisville’s place in Mississippi beside it.
What a year in Louisville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 235 frost-free days a year
In half of years the last 32° night comes by March 21 and the first by November 13. Frost and day counts come from NOAA’s station at Louisville, MS, 1.3 miles from the town’s center, at about the same height.
The 2023 USDA map puts Louisville’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 14°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 57 inches of rain a year
April is the wettest month and October the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Louisville
55% of the work is heating. Months averaging under 55° run from November through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Louisville, MS.
Living with Louisville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
235 frost-free days in zone 8a. The last frost comes by Mar 21 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 13.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November.
Parks & trails →Of the yearly building losses FEMA expects in Louisville from natural hazards, tornadoes are the largest share (32%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Louisville and similar climates
TownRatings has no climate map of the towns around Louisville yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Louisville averaged 0.6° warmer than the 1900s. The biggest change is in February (+1.6°).
A smaller shift than in 96% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Louisville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Louisville’s place among Mississippi’s.
Louisville weather by month
Highs, lows and precipitation from NOAA’s grid at Louisville’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 55° | 34° | 5.3" | 36° – 52° |
| February | 59° | 37° | 5.7" | 40° – 56° |
| March | 68° | 43° | 5.5" | 49° – 64° |
| April | 75° | 50° | 5.7" | 58° – 67° |
| May | 82° | 59° | 4.2" | 67° – 75° |
| June | 88° | 67° | 4.0" | 74° – 82° |
| July | 91° | 70° | 4.7" | 77° – 82° |
| August | 91° | 69° | 4.4" | 75° – 84° |
| September | 86° | 63° | 3.9" | 71° – 81° |
| October | 76° | 51° | 3.8" | 60° – 69° |
| November | 65° | 41° | 4.3" | 46° – 58° |
| December | 57° | 36° | 5.4" | 36° – 56° |
| Year | 74° | 51° | 56.8" |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 36° to 56°. July is the most reliable, staying within 6°.
Where Louisville’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Louisville’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Louisville, MS, 1.3 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Louisville’s climate
What is the weather like in Louisville?
A typical July afternoon reaches 91°, a January night drops to 34°. Milder January nights than 78% of U.S. towns; hotter July afternoons than 81% of U.S. towns.
How cold does it get in Louisville in winter?
January nights average 34°. About 54 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.
How hot does it get in Louisville?
July, with a typical high of 91° and a low of 70°. About 66 days a year reach 90° and 2 reach 100° (Louisville, MS).
When is the first and last frost in Louisville?
In half of years the last spring frost (32°) comes by March 21 and the first fall frost by November 13, about 235 frost-free days, at Louisville, MS.
What growing zone is Louisville in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 14°.
What is the best time of year to visit Louisville?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Louisville getting warmer?
Yes: 1991–2020 averaged 0.6° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 96% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Louisville.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.