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The climate of Arizona (United States of America)
Arizona is one of the states of the United States of America. Arizona is located in the southwestern part of America and has a dry and in several regions very rugged landscape. Arizona borders Utah, Colorado, Nevada, California, New Mexico and the country of Mexico. Arizona has two nicknames: Grand Canyon State and Copper State. The Grand Canyon is also the biggest tourist attraction in Arizona. Together with Painted Desert and Monument Valley the Grand Canyon is the main reason many tourists visit Arizona when making a roundtrip through the (south) western part of the United States of America.

Because Arizona is such a large state and has many differences in altitude it also has many climate types. However, most of these climate types show similarities. A large part of Arizona consists of desert and consequently has dry desert climate types. Most regions have a warm desert climate. In the eastern part this locally changes into a warm or cold steppe climate with higher precipitation figures. Sierra Vista, which is located in the most southeasterly part can record 361 millimeters of annual rain. Because of this it has a steppe climate. A similarity which applies to the entire desert are the large differences between daytime and night time temperatures. Differences in temperatures of up to 30 degrees between the hottest and coolest moment of one particular day are not uncommon. During the winter it may be warm during the daytime. During the summer it is very warm to extremely hot. From June till September daytime temperatures may rise up to 45-50 degrees Celsius (113-122 degrees Fahrenheit) or even warmer.

The northern part of Arizona consists of several plateaus with higher altitudes than in the south. In this Colorado Plateau the Grand Canyon can also be found. In several places on this plateau it is much colder during the winter. Several regions can also record higher precipitation figures. If you do not include Alaska the city of Flagstaff would even be the coldest city in the United States of America.

Climate information of places in Arizona
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Arizona:

Bullhead City
Flagstaff
Grand Canyon

Kingman
Lake Havasu City
Phoenix

Sierra Vista
Tucson
Yuma

 

 

Climate information
Throughout Arizona several climate figures and temperatures can be recorded. The figures below are for Phoenix and cannot be seen as an average for this state. For climate figures for other places and regions in Arizona please, visit the individual climate pages.

average
 maximum
temperature (°C)

average
minimum

temperature (°C)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (°C)
January 19 4 8 4 n/a
February 21 6 9 4 n/a
March 24 8 10 4 n/a
April 29 11 12 2 n/a
May 34 16 13 2 n/a
June 39 21 14 1 n/a
July 41 25 13 4 n/a
August 40 24 12 5 n/a
September 37 21 11 3 n/a
October 31 14 10 3 n/a
November 24 8 9 3 n/a
December 19 4 8 4 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate tables are useful but they don’t give an overall picture of the climate and possible weather conditions during a period of time. How high the chances are of hot or cold weather or hurricanes can often not be found in these tables. This is why we offer extra climate information per month. The figures below apply to Phoenix. For climate figures on specific regions and places please, visit the relevant individual climate pages
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.

 

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