2025 Compare Climate & Weather:
Louisville, KY vs St. Louis, MO

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Highlights

On average, there are 202 sunny days per year in St. Louis. Louisville averages 195 sunny days per year. The US average is 205 sunny days.

St. Louis, Missouri gets 42.2 inches of rain, on average, per year. Louisville, Kentucky gets 46.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

St. Louis averages 15.5 inches of snow per year. Louisville averages 8.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

St. Louis, Missouri
Summer High: the July high is around 88.5 degrees
Winter Low: the January low is 22.8
Rain: averages 42.2 inches of rain a year
Snow: averages 15.5 inches of snow a year

Louisville, Kentucky
Summer High: the July high is around 87.6 degrees
Winter Low: the January low is 25.5
Rain: averages 46.2 inches of rain a year
Snow: averages 8.7 inches of snow a year

BestPlaces Comfort Index
St. Louis

The annual BestPlaces Comfort Index for St. Louis is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.2 / 10
September, May and October are the most pleasant months in St. Louis, while January and December are the least comfortable months.

Louisville

The annual BestPlaces Comfort Index for Louisville-Jefferson County is 7.3 (10=best), which means it is one of the most pleasant places in Kentucky.

7.3 / 10
September, May and October are the most pleasant months in Louisville-Jefferson County, while January and December are the least comfortable months.

Today's Weather - Louisville, KY

3 AM PST

Mostly Cloudy

52°F

DAYDESCRIPTIONHIGH / LOWWIND
OvernightMostly Cloudy51° / 76°SE 1 mph
Wednesday NightMostly Cloudy58° / 74°SE 3 mph
Thursday NightChance Showers And Thunderstorms then Mostly Cloudy49° / 70°NE 9 mph
Friday NightPartly Cloudy49° / 71°NE 6 to 9 mph
Saturday NightSlight Chance Rain Showers then Partly Cloudy53° / 77°NE 7 mph
Sunday NightSlight Chance Rain Showers59° / 77°E 5 to 8 mph
Monday NightChance Showers And Thunderstorms61° / 78°SE 7 mph
Today's Weather - St. Louis, MO

3 AM PST

Cloudy

58°F

DAYDESCRIPTIONHIGH / LOWWIND
OvernightCloudy57° / 73°N 2 mph
Wednesday NightChance Showers And Thunderstorms58° / 70°NE 3 to 7 mph
Thursday NightChance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms51° / 70°NE 8 mph
Friday NightPartly Cloudy49° / 73°NE 3 to 7 mph
Saturday NightPartly Cloudy53° / 77°NE 5 mph
Sunday NightPartly Cloudy then Slight Chance Rain Showers58° / 75°E 5 mph
Monday NightChance Showers And Thunderstorms61° / 79°SE 2 to 6 mph
Average Monthly High / Low (°F)
MonthLouisville, KYSt. Louis, MO
January42° / 26°40° / 23°
February47° / 29°45° / 27°
March57° / 36°56° / 36°
April68° / 46°67° / 46°
May77° / 56°76° / 56°
June85° / 65°85° / 65°
July88° / 68°89° / 69°
August87° / 67°88° / 68°
September81° / 59°80° / 59°
October69° / 47°69° / 47°
November57° / 38°56° / 37°
December45° / 29°43° / 27°
Hot, Freezing, Rainy, Snowy Days: Louisville / St. Louis
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 023 / 2510 / 82 / 3
February0 / 018 / 209 / 72 / 2
March0 / 011 / 1211 / 101 / 1
April0 / 02 / 211 / 110 / 0
May0 / 10 / 012 / 110 / 0
June5 / 70 / 010 / 90 / 0
July10 / 130 / 09 / 80 / 0
August10 / 110 / 08 / 80 / 0
September3 / 30 / 07 / 70 / 0
October0 / 01 / 28 / 80 / 0
November0 / 08 / 1010 / 90 / 1
December0 / 020 / 2211 / 92 / 3
July is the hottest month for Louisville-Jefferson County with an average high temperature of 87.6°, which ranks it as warmer than most places in Kentucky. In Louisville-Jefferson County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Louisville-Jefferson County are May, September and June.

July is the hottest month for St. Louis with an average high temperature of 88.5°, which ranks it as about average compared to other places in Missouri. In St. Louis, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Louis are May, September and June.
January has the coldest nighttime temperatures for Louisville-Jefferson County with an average of 25.5°. This is warmer than most places in Kentucky.

January has the coldest nighttime temperatures for St. Louis with an average of 22.8°. This is warmer than most places in Missouri.

In Louisville-Jefferson County, there are 29.0 days annually when the high temperature is over 90°, which is about average compared to other places in Kentucky.

In St. Louis, there are 36.0 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

In Louisville-Jefferson County, there are 82.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kentucky.

In St. Louis, there are 91.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Louisville-Jefferson County, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Kentucky.

In St. Louis, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Missouri.

May is the wettest month in Louisville-Jefferson County with 5.2 inches of rain, and the driest month is September with 3.2 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 46.2 inches in Louisville-Jefferson County means that it is drier than most places in Kentucky.


May is the wettest month in St. Louis with 4.8 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in St. Louis means that it is drier than most places in Missouri.

May is the rainiest month in Louisville-Jefferson County with 11.7 days of rain, and September is the driest month with only 7.2 rainy days. There are 115.3 rainy days annually in Louisville-Jefferson County, which is about average compared to other places in Kentucky. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in St. Louis with 11.3 days of rain, and September is the driest month with only 7.0 rainy days. There are 105.3 rainy days annually in St. Louis, which is rainier than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 8.7 inches in Louisville-Jefferson County means that it is about average compared to other places in Kentucky.

An annual snowfall of 15.5 inches in St. Louis means that it is snowier than most places in Missouri.
February is the snowiest month in Louisville-Jefferson County with 2.9 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in St. Louis with 4.9 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Louisville    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

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Reviews for St. Louis    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

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Zips In Louisville, Kentucky
40214, 40216, 40299, 40219, 40229, 40272, 40291, 40245, 40218, 40220, 20 total
Zips In ST. LOUIS, MISSOURI
63116, 63118, 63109, 63139, 63111, 63108, 63104, 63112, 63115, 63110, 19 total
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