Superior, WI Climate


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The climate in Superior, WI is classified as a humid continental climate with cold winters and warm summers. Average monthly temperatures range from highs of around 75°F (24°C) in July to lows of 0°F (-18°C) in January. The average annual snowfall total is approximately 74 inches (188 cm). Superior receives an average of 35 inches (89 cm) of rain per year, making it one of the drier areas in the upper Midwest. Winters are typically long and cold with frequent snowfall, while summers are generally short but warm and humid with occasional thunderstorms.

Superior, Wisconsin gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Superior averages 63 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 177 sunny days per year in Superior. The US average is 205 sunny days.

Superior gets some kind of precipitation, on average, 110 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 76 degrees
Winter Low: the January low is 3
Rain: averages 31 inches of rain a year
Snow: averages 63 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Superior is 6.1 (10=best), which means it is one of the least comfortable places in Wisconsin.

9 Summer - 3.4 Winter
August, July and June are the most pleasant months in Superior, while January and December are the least comfortable months.

  ClimateSuperior, WisconsinUnited States
  31.1 in.38.1 in.
  63.3 in.27.8 in.
  109.8 days106.2 days
  177 days205 days
  75.8°85.8°
  2.7°21.7°
  6.17
  3.44.3
  643 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 Superior with an average high temperature of 75.8°, which ranks it as one of the coolest places in Wisconsin. In Superior, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Superior are July, August and June.
In Superior, there are 2.3 days annually when the high temperature is over 90°, which is one of the coolest places in Wisconsin.
January has the coldest nighttime temperatures for Superior with an average of 2.7°. This is colder than most places in Wisconsin.
In Superior, there are 170.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Wisconsin.
In Superior, there are 34.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wisconsin.
Humidity in Superior is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.
July is the wettest month in Superior with 4.2 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 39% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 31.1 inches in Superior means that it is drier than most places in Wisconsin.
June is the rainiest month in Superior with 11.9 days of rain, and February is the driest month with only 6.0 rainy days. There are 109.8 rainy days annually in Superior, which is less rainy than most places in Wisconsin. The rainiest season is Autumn when it rains 29% of the time and the driest is Spring with only a 20% chance of a rainy day.
An annual snowfall of 63.3 inches in Superior means that it is one of the snowiest places in Wisconsin. January is the snowiest month in Superior with 15.3 inches of snow, and 7 months of the year have significant snowfall.
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