Navajo County, AZ Climate

Navajo, AZ County has a semi-arid climate with warm summers and mild winters. Summers are typically hot and dry, with temperatures often reaching 90°F or higher during the day and around 60°F at night. Winters are usually mild, with temperatures rarely dropping below freezing. Precipitation is generally low, averaging between 10 and 12 inches per year. The area experiences some snow in the winter months, but it usually doesn't stick around for long periods of time.

Navajo County, Arizona gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Navajo County averages 22 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 276 sunny days per year in Navajo County. The US average is 205 sunny days.

Navajo County gets some kind of precipitation, on average, 62 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 88 degrees
Winter Low: the January low is 21
Rain: averages 13 inches of rain a year
Snow: averages 22 inches of snow a year

Bestplaces Comfort Index

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

8.6 Summer - 6.1 Winter

September, May and August are the most pleasant months in Navajo County, while January and December are the least comfortable months.

Climate	Navajo, Arizona	United States
	13.2 in.	38.1 in.
	21.7 in.	27.8 in.
	62.1 days	106.2 days
	276 days	205 days
	88.2°	85.8°
	20.5°	21.7°
	7.6	7
	6.1	4.3
	6012 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 Navajo County with an average high temperature of 88.2°, which ranks it as cooler than most places in Arizona. In Navajo County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Navajo County are September, May and August.

In Navajo County, there are 30.6 days annually when the high temperature is over 90°, which is cooler than most places in Arizona.

January has the coldest nighttime temperatures for Navajo County with an average of 20.5°. This is colder than most places in Arizona.

In Navajo County, there are 145.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arizona.

In Navajo County, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Arizona.

Humidity is low in Navajo County, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.

August is the wettest month in Navajo County with 2.4 inches of rain, and the driest month is June with 0.3 inches. The wettest season is Autumn with 35% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 13.2 inches in Navajo County means that it is wetter than most places in Arizona.

August is the rainiest month in Navajo County with 10.2 days of rain, and June is the driest month with only 2.4 rainy days. There are 62.1 rainy days annually in Navajo County, which is rainier 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 19% chance of a rainy day.

An annual snowfall of 21.7 inches in Navajo County means that it is one of the snowiest places in Arizona. January is the snowiest month in Navajo County with 5.1 inches of snow, and 6 months of the year have significant snowfall.

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