St. Marys, Indiana 

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Climate in St. Marys, Indiana

St. Marys, Indiana gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Marys averages 27 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 180 sunny days per year in St. Marys. The US average is 205 sunny days.

St. Marys gets some kind of precipitation, on average, 119 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 84 degrees
Winter Low: the January low is 17
Rain: averages 38 inches of rain a year
Snow: averages 27 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for St. Marys is 7.0 (10=best), which means it is about average compared to other places in Indiana.

7 / 10
June, September and August are the most pleasant months in St. Marys, while January and December are the least comfortable months.

Climate Averages
  St. Marys, IndianaUnited States
  37.8 in.38.1 in.
  27.2 in.27.8 in.
  119.1 days106.2 days
  180 days205 days
  84.0°85.8°
  17.4°21.7°
  77
  3.64.3
  797 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. Marys with an average high temperature of 84.0°, which ranks it as about average compared to other places in Indiana. In St. Marys, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Marys are September, June and August.


January has the coldest nighttime temperatures for St. Marys with an average of 17.4°. This is colder than most places in Indiana.


In St. Marys, there are 10.9 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.


In St. Marys, there are 126.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Indiana.


In St. Marys, there are 5.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Indiana.


July is the wettest month in St. Marys with 4.3 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 32% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 37.8 inches in St. Marys means that it is one of the driest places in Indiana.


April is the rainiest month in St. Marys with 12.0 days of rain, and August is the driest month with only 8.2 rainy days. There are 119.1 rainy days annually in St. Marys, which is about average compared to other places in Indiana. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.


An annual snowfall of 27.2 inches in St. Marys means that it is snowier than most places in Indiana. January is the snowiest month in St. Marys with 7.7 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
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