Superior, AZ Climate


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Superior, AZ has a warm and arid climate. The average temperature ranges from 70-95 degrees Fahrenheit throughout the year, with hot summers and mild winters. The area gets very little rainfall, averaging only 12 inches annually. This lack of moisture in the air makes for low humidity levels, which can make days seem even warmer than they actually are. Despite its high temperatures in the summer months, Superior is still considered a great place to live and visit due to its moderate winters and abundant sunshine during most of the year.

Superior, Arizona gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Superior averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 289 sunny days per year in Superior. The US average is 205 sunny days.

Superior gets some kind of precipitation, on average, 53 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 99 degrees
Winter Low: the January low is 40
Rain: averages 18 inches of rain a year
Snow: averages 0 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Superior is 7.6 (10=best), which means it is about average compared to other places in Arizona.

5.1 Summer - 8.1 Winter
April, October and May are the most pleasant months in Superior, while July and August are the least comfortable months.

  ClimateSuperior, ArizonaUnited States
  17.7 in.38.1 in.
  0.3 in.27.8 in.
  53.2 days106.2 days
  289 days205 days
  98.8°85.8°
  40.3°21.7°
  7.67
  6.24.3
  2841 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 98.8°, which ranks it as about average compared to other places in Arizona. In Superior, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Superior are April, October and November.
In Superior, there are 127.5 days annually when the high temperature is over 90°, which is about average compared to other places in Arizona.
December has the coldest nighttime temperatures for Superior with an average of 40.1°. This is warmer than most places in Arizona.
In Superior, there are 13.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.
In Superior, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Arizona.
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.
August is the wettest month in Superior with 2.7 inches of rain, and the driest month is June with 0.2 inches. The wettest season is Spring with 36% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 17.7 inches in Superior means that it is wetter than most places in Arizona.
August is the rainiest month in Superior with 8.2 days of rain, and June is the driest month with only 1.4 rainy days. There are 53.2 rainy days annually in Superior, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 31% of the time and the driest is Summer with only a 19% chance of a rainy day.
An annual snowfall of 0.3 inches in Superior means that it is about average compared to other places in Arizona. February is the snowiest month in Superior with 0.3 inches of snow, and no months of the year have significant snowfall.
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