St. Peter, WI Climate


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St. Peter, WI has a humid continental climate that is characterized by hot summers and cold winters. The average temperatures in the summer range from 70 to 85 degrees Fahrenheit, while the average winter temperatures range from 20 to 35 degrees Fahrenheit. Precipitation is fairly evenly distributed throughout the year, with an average of 32 inches annually. Snowfall occurs frequently during the winter months, and can be quite heavy at times.

St. Peter, Wisconsin gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Peter averages 36 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 187 sunny days per year in St. Peter. The US average is 205 sunny days.

St. Peter gets some kind of precipitation, on average, 108 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 81 degrees
Winter Low: the January low is 10
Rain: averages 30 inches of rain a year
Snow: averages 36 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for St. Peter is 6.7 (10=best), which means it is one of the most pleasant places in Wisconsin.

9.4 Summer - 4.2 Winter
August, July and June are the most pleasant months in St. Peter, while January and December are the least comfortable months.

  ClimateSt. Peter, WisconsinUnited States
  30.2 in.38.1 in.
  36.1 in.27.8 in.
  107.7 days106.2 days
  187 days205 days
  81.1°85.8°
  10.3°21.7°
  6.77
  3.44.3
  1063 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. Peter with an average high temperature of 81.1°, which ranks it as about average compared to other places in Wisconsin. In St. Peter, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Peter are June, August and July.
In St. Peter, there are 4.4 days annually when the high temperature is over 90°, which is cooler than most places in Wisconsin.
January has the coldest nighttime temperatures for St. Peter with an average of 10.3°. This is warmer than most places in Wisconsin.
In St. Peter, there are 147.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wisconsin.
In St. Peter, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.
Humidity in St. Peter is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.
June is the wettest month in St. Peter with 4.0 inches of rain, and the driest month is February with 1.0 inches. The wettest season is Autumn with 37% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 30.2 inches in St. Peter means that it is one of the driest places in Wisconsin.
May is the rainiest month in St. Peter with 10.8 days of rain, and February is the driest month with only 6.6 rainy days. There are 107.7 rainy days annually in St. Peter, which is less rainy than most places in Wisconsin. The rainiest season is Autumn when it rains 27% of the time and the driest is Spring with only a 20% chance of a rainy day.
An annual snowfall of 36.1 inches in St. Peter means that it is one of the least snowy places in Wisconsin. January is the snowiest month in St. Peter with 9.8 inches of snow, and 6 months of the year have significant snowfall.
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