Mesa, Arizona 

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Climate in Mesa, Arizona

Mesa, AZ has a hot desert climate with very mild winters and very hot summers. It typically experiences over 300 days of sunshine each year, making it an ideal location for outdoor activities all year round. During the summer months, temperatures can often exceed 100 degrees Fahrenheit. Despite the high temperatures in the summertime, rainfall is low overall with averages of less than 8 inches a year. As such, you must be prepared to bring plenty of water when you are outdoors in Mesa during the summer months.

Mesa, Arizona gets 10 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 301 sunny days per year in Mesa. The US average is 205 sunny days.

Mesa gets some kind of precipitation, on average, 36 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 105 degrees
Winter Low: the January low is 41
Rain: averages 10 inches of rain a year
Snow: averages 0 inches of snow a year


The annual BestPlaces Comfort Index for Mesa is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

4.5 / 8.5

Summer   /   Winter
April, March and November are the most pleasant months in Mesa, while July and August are the least comfortable months.

Climate Averages
  Mesa, ArizonaUnited States
  10.1 in.38.1 in.
  0.0 in.27.8 in.
  36.0 days106.2 days
  301 days205 days
  1240 ft.2443 ft.


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 Mesa with an average high temperature of 104.6°, which ranks it as warmer than most places in Arizona. In Mesa, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mesa are March, November and April.

In Mesa, there are 165.6 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

December has the coldest nighttime temperatures for Mesa with an average of 39.6°. This is warmer than most places in Arizona.

In Mesa, there are 8.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Mesa, 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 Mesa 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 Mesa with 1.4 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 10.1 inches in Mesa means that it is drier than most places in Arizona.

August is the rainiest month in Mesa with 4.8 days of rain, and June is the driest month with only 0.5 rainy days. There are 36.0 rainy days annually in Mesa, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 35% of the time and the driest is Summer with only a 18% chance of a rainy day.

There is rarely any recorded snowfall in Mesa, ranking it as one of the least snowy places in Arizona. Any measurable snowfall is a rare occurance in Mesa.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Mesa    59 Reviews
    Worth a read before moving - 9/13/2021
    I’m a native to Arizona and growing up here has taught me that people just don’t care, and the Mormon community is huge! It’s normal in the state of AZ for kids to start... Read More

    Start Your Review of Mesa

    It's always darkest before the dawn. - 4/26/2019
    My in-laws are huge Meza fans , it might be because their last name is Meza. We have our own Americaucasionispanic cultura.Thats pronounced... Read More

    Beware of Police - 12/13/2017
    Mesa police department is out of control. I do not recommend living here. They get away with killing innocent, unarmed, compliant people. Google Daniel Shafer.... Read More

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