Ajo, AZ Climate


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United States / Arizona / Tucson Metro Area / Pima County / Ajo / Zip Codes
Ajo, AZ is located in the Sonoran Desert and features a hot and dry climate. Summers are long and hot, with average temperatures hitting well over 100 degrees Fahrenheit during the day. Winters are mild but can still be chilly at night, with average lows of around 40 degrees Fahrenheit. Rainfall is sparse, averaging only 4-6 inches per year. Ajo's location in the desert also means that it experiences very strong winds due to its lack of trees and shrubs for windbreaks. These winds can make the daytime temperatures feel even hotter than they already are.

Ajo, Arizona gets 8 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 286 sunny days per year in Ajo. The US average is 205 sunny days.

Ajo gets some kind of precipitation, on average, 30 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 104 degrees
Winter Low: the January low is 44
Rain: averages 8 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Ajo is 7.4 (10=best), which means it is less comfortable than most places in Arizona.

4.3 Summer - 8.9 Winter
November, April and March are the most pleasant months in Ajo, while August and July are the least comfortable months.

  ClimateAjo, ArizonaUnited States
  8.1 in.38.1 in.
  0.1 in.27.8 in.
  30.2 days106.2 days
  286 days205 days
  103.5°85.8°
  43.8°21.7°
  7.47
  6.54.3
  1759 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 Ajo with an average high temperature of 103.5°, which ranks it as warmer than most places in Arizona. In Ajo, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ajo are March, November and April.
In Ajo, there are 164.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.
January has the coldest nighttime temperatures for Ajo with an average of 43.8°. This is one of the warmest places in Arizona.
In Ajo, there are 2.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Arizona.
In Ajo, 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 Ajo 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 Ajo with 1.9 inches of rain, and the driest month is May with 0.0 inches. The wettest season is Autumn with 37% of yearly precipitation and 13% occurs in Summer, which is the driest season. The annual rainfall of 8.1 inches in Ajo means that it is drier than most places in Arizona.
August is the rainiest month in Ajo with 6.1 days of rain, and June is the driest month with only 0.5 rainy days. There are 30.2 rainy days annually in Ajo, which is less rainy than most places in Arizona. The rainiest season is Autumn when it rains 34% of the time and the driest is Summer with only a 15% chance of a rainy day.
An annual snowfall of 0.1 inches in Ajo means that it is less snowy than most places in Arizona. January is the snowiest month in Ajo with 0.1 inches of snow, and no months of the year have significant snowfall.
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Mojave · Butte-Silver Bow, MT
Unique, Scenic & Connected
Over 6 years ago

Ajo is a great little place that affords residents access to unsurpassed, pristine desert as the gateway community to Organ Pipe Cactus National Monument and nearby  More

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John · Denver, CO
A great town for snowbirds!
Over 10 years ago

If you enjoy small town life, Ajo is a great place to be a snow bird. I have spent many winters here and the enthusiasm of other snow birds, combined with all the  More

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John · Denver, CO
Paradise for small town living.
Over 10 years ago

If you enjoy small town life, Ajo is a great place to be a snow bird. I have spent many winters here and the enthusiasm of other snow birds, combined with all the  More

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