Affton, Missouri 

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Climate in Affton, Missouri

Affton, Missouri gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Affton 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 Affton. The US average is 205 sunny days.

Affton 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 44 inches of rain a year
Snow: averages 16 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Affton 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 Affton, while January and December are the least comfortable months.

Climate Averages
  Affton, MissouriUnited States
  43.8 in.38.1 in.
  15.9 in.27.8 in.
  104.7 days106.2 days
  202 days205 days
  88.5°85.8°
  22.7°21.7°
  7.27
  4.34.3
  620 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 Affton with an average high temperature of 88.5°, which ranks it as about average compared to other places in Missouri. In Affton, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Affton are May, September and June.


January has the coldest nighttime temperatures for Affton with an average of 22.7°. This is warmer than most places in Missouri.


In Affton, there are 35.7 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.


In Affton, there are 92.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.


In Affton, there are 1.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Missouri.


May is the wettest month in Affton with 4.9 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Summer with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 43.8 inches in Affton means that it is about average compared to other places in Missouri.


May is the rainiest month in Affton with 11.1 days of rain, and September is the driest month with only 7.0 rainy days. There are 104.7 rainy days annually in Affton, 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 15.9 inches in Affton means that it is snowier than most places in Missouri. January is the snowiest month in Affton with 5.0 inches of snow, and 5 months of the year have significant snowfall.





CLIMATE MAP
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    Reviews for Affton    1 Reviews
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    63123

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