St. Louis, Missouri 

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Climate in St. Louis, Missouri

St. Louis, Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Louis averages 16 inches of snow per year. The US average is 28 inches of snow per year.

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

St. Louis gets some kind of precipitation, on average, 105 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 16 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.

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

Climate Averages
  St. Louis, MissouriUnited States
  42.2 in.38.1 in.
  15.5 in.27.8 in.
  105.3 days106.2 days
  202 days205 days
  88.5°85.8°
  22.8°21.7°
  7.27
  4.24.3
  466 ft.2443 ft.
CLIMATE

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


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 St. Louis with an average of 22.8°. This is warmer than most places in Missouri.


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 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 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 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 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 15.5 inches in St. Louis means that it is snowier than most places in Missouri. January is the snowiest month in St. Louis with 4.9 inches of snow, and 5 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for St. Louis    107 Reviews
    St. Louis : A Renaissance City - 4/28/2019
    St. Louis is a city on the brink of becoming great again. I’ve been a resident of St. Louis since 2001, living just about every where (North County, St. Charles, South... Read More

    Start Your Review of St. Louis


    Undiscovered Gem - 2/11/2017
    So much culture, either completely free or very low cost, and of a quality that you would expect in a much larger city. Major food city, James Beard award winners every... Read More

    ST Louis is The worst place to live. EVER!!!!!!!!! - 7/27/2016
    ST Louis is The worst place to live, especially if you have young children. Your children 3+? you Ok, but there is only so many times you can go to the zoo, Magic... Read More


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    ZIP CODES IN ST. LOUIS, MISSOURI
    63116, 63118, 63109, 63139, 63111, 63108, 63104, 63112, 63115, 63110, ... 19 more

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