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

Highlights

On average, there are 202 sunny days per year in St. Louis. Lexington averages 188 sunny days per year. The US average is 205 sunny days.

St. Louis, Missouri gets 42.2 inches of rain, on average, per year. Lexington, 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. Lexington averages 10 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

Lexington, Kentucky
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 23.9
Rain: averages 46.2 inches of rain a year
Snow: averages 10 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Lexington, KY

65°F

Today's Weather - St. Louis, MO

69°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lexington / St. Louis

July is the hottest month for Lexington-Fayette with an average high temperature of 85.8°, which ranks it as cooler than most places in Kentucky. In Lexington-Fayette, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lexington-Fayette are September, May 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 Lexington-Fayette with an average of 23.9°. This is about average compared to other 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 Lexington-Fayette, there are 17.4 days annually when the high temperature is over 90°, which is cooler than most 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 Lexington-Fayette, there are 94.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other 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 Lexington-Fayette, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is colder 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 Lexington-Fayette with 5.4 inches of rain, and the driest month is August 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 Lexington-Fayette 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 Lexington-Fayette with 12.1 days of rain, and September is the driest month with only 7.4 rainy days. There are 120.9 rainy days annually in Lexington-Fayette, which is rainier than most 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 10.0 inches in Lexington-Fayette 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 Lexington-Fayette with 3.6 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.