Louisa has chilly winters and warm summers
A typical July afternoon reaches 87°, a January night drops to 25°, and about 20 inches of snow falls in a normal winter.
A year in Louisa at a glance
Each month’s typical high and low, and what it brings.
What stands out about Louisa’s climate
Read from where Louisa sits among Kentucky’s towns. The page puts what stands out first.
20 inches of snow, 47 of rain and melt
July is the wettest month and November the driest. Rain or snow falls on about 142 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Louisa feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 195 frost-free days a year
In half of years the last 32° night comes by April 14 and the first by October 26.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Louisa’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
195 frost-free days. The last frost comes by Apr 14 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 26.
About 20" a winter over 6 days with an inch or more, most in January. Snow covers the ground about 13 days a year.
Months averaging under 55° run from November through March. Heating is 78% of the year’s heating-and-cooling load.
About 25 days a year reach 90°, and July afternoons average 87°.
The nicest months are April, May, September and October. 0.1 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Louisa averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.0°).
A smaller shift than in 67% of U.S. towns.
Change by month
How Louisa compares
Against every U.S. town on TownTapestry, each counted once, with its place in Kentucky.
Louisa 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 | 45° | 25° | 3.5" | 6.0" | 13 | 5 | 26° – 43° |
| February | 49° | 27° | 3.4" | 5.8" | 12 | 4 | 26° – 46° |
| March | 58° | 34° | 4.3" | 4.3" | 14 | 2 | 39° – 57° |
| April | 70° | 43° | 4.0" | 0.3" | 13 | 0 | 50° – 62° |
| May | 78° | 52° | 4.8" | 0 | 14 | 0 | 58° – 72° |
| June | 85° | 60° | 4.4" | 0 | 13 | 0 | 68° – 76° |
| July | 87° | 65° | 5.1" | 0 | 12 | 0 | 71° – 80° |
| August | 87° | 64° | 3.6" | 0 | 10 | 0 | 71° – 80° |
| September | 81° | 56° | 3.4" | 0 | 8 | 0 | 65° – 75° |
| October | 70° | 44° | 3.2" | 0.2" | 10 | 0 | 54° – 62° |
| November | 58° | 34° | 3.1" | 0.5" | 10 | 0 | 40° – 51° |
| December | 48° | 28° | 4.0" | 2.7" | 13 | 2 | 28° – 49° |
| Year | 68° | 44° | 46.7" | 19.8" | 142 | 13 |
Heating and cooling a home in Louisa
78% 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. December swings the most: from 1991 to 2020 its average ranged from 28° to 49°. June is the most reliable, staying within 7°.
Common questions about Louisa’s climate
What is the coldest month in Louisa?
January, with a typical high of 45° and a low of 25°.
What is the hottest month in Louisa?
July, with a typical high of 87° and a low of 65°. About 25 days a year reach 90°.
How much snow does Louisa get?
About 20 inches in a normal winter, most of it in January.
When is the first frost in Louisa?
In half of years the first 32° night comes by October 26, and the last spring frost by April 14.
What is the rainiest month in Louisa?
July, with 5.1 inches of rain and melted snow. The year totals 47 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Louisa.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Louisa itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Huntington Tri State Airport, WV (18 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.