Louisville has mild winters and warm summers, with plenty of rain
A typical July afternoon reaches 91°, a January night drops to 37°, and snow is almost unheard of.
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
Read from where Louisville sits among Alabama’s towns. The page puts what stands out first.
Warmer than it used to be
The last 30 years in Louisville averaged 0.3° warmer than the 1900s. The biggest change is in February (+1.2°).
A smaller shift than in 99% of U.S. towns.
Change by month
Living with Louisville’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
254 frost-free days. The last frost comes by Mar 11 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 19.
About 0.5" in a normal winter.
Months averaging under 55° run from December through February. Heating is 48% of the year’s heating-and-cooling load.
About 73 days a year reach 90°, and July afternoons average 91°.
The nicest months are February, March, April, October and November.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Louisville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Rain and snow in Louisville
July is the wettest month and October the driest. Rain or snow falls on about 88 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
About 0.5" in a normal year, so most winters see none.
About 254 frost-free days a year
In half of years the last 32° night comes by March 11 and the first by November 19.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
How Louisville compares
Against every U.S. town on TownTapestry, each counted once, with its place in Alabama.
Louisville weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 59° | 37° | 5.1" | 0.2" | 8 | 0 | 39° – 55° |
| February | 63° | 40° | 4.6" | 0 | 8 | 0 | 43° – 61° |
| March | 70° | 46° | 5.2" | 0 | 7 | 0 | 52° – 66° |
| April | 77° | 52° | 4.5" | 0 | 7 | 0 | 60° – 69° |
| May | 84° | 61° | 3.6" | 0 | 6 | 0 | 69° – 76° |
| June | 89° | 68° | 5.2" | 0 | 10 | 0 | 75° – 83° |
| July | 91° | 70° | 5.7" | 0 | 10 | 0 | 77° – 83° |
| August | 90° | 70° | 4.7" | 0 | 9 | 0 | 77° – 84° |
| September | 86° | 65° | 4.1" | 0 | 6 | 0 | 72° – 81° |
| October | 78° | 55° | 3.3" | 0 | 4 | 0 | 62° – 71° |
| November | 68° | 44° | 4.2" | 0 | 5 | 0 | 50° – 61° |
| December | 61° | 40° | 5.4" | 0.3" | 8 | 0 | 42° – 60° |
| Year | 76° | 54° | 55.4" | 0.5" | 88 | 0 |
Heating and cooling a home in Louisville
48% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 43° to 61°. July is the most reliable, staying within 6°.
Common questions about Louisville’s climate
What is the coldest month in Louisville?
January, with a typical high of 59° and a low of 37°.
What is the hottest month in Louisville?
July, with a typical high of 91° and a low of 70°. About 73 days a year reach 90°.
How much snow does Louisville get?
Almost none. A normal year brings 0.5 inches.
When is the first frost in Louisville?
In half of years the first 32° night comes by November 19, and the last spring frost by March 11.
What is the rainiest month in Louisville?
July, with 5.7 inches of rain and melted snow. The year totals 55 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Louisville.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Louisville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Clayton, AL (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.