Phoenix, AZ Climate

Phoenix, AZ Climate


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United States / Arizona / Phoenix-Mesa-Chandler Metro Area / Maricopa County / Phoenix / Zip Codes
Phoenix, AZ is known for its hot and dry climate. The city experiences an average of more than 300 sunny days each year, making it one of the sunniest cities in the United States. Average summertime temperatures are around 100°F (38°C), while wintertime temperatures often dip to around 40°F (4°C). Phoenix also receives very little rainfall, with an average of only 8 inches (20 cm) per year. Due to the combination of high temperatures and low rainfall, Phoenix has a desert climate characterized by warm days and cool nights.

Phoenix, Arizona gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 299 sunny days per year in Phoenix. The US average is 205 sunny days.

Phoenix gets some kind of precipitation, on average, 33 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 43
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

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

4.1 Summer - 8.7 Winter
April, March and November are the most pleasant months in Phoenix, while July and August are the least comfortable months.

  ClimatePhoenix, ArizonaUnited States
  9.2 in.38.1 in.
  0.0 in.27.8 in.
  33.1 days106.2 days
  299 days205 days
  104.5°85.8°
  43.2°21.7°
  7.37
  6.44.3
  1086 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 Phoenix with an average high temperature of 104.5°, which ranks it as warmer than most places in Arizona. In Phoenix, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Phoenix are March, November and April.
In Phoenix, there are 163.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.
December has the coldest nighttime temperatures for Phoenix with an average of 42.2°. This is one of the warmest places in Arizona.
In Phoenix, there are 3.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.
In Phoenix, 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 Phoenix 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 Phoenix with 1.1 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 9.2 inches in Phoenix means that it is drier than most places in Arizona.
August is the rainiest month in Phoenix with 4.0 days of rain, and June is the driest month with only 0.4 rainy days. There are 33.1 rainy days annually in Phoenix, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 34% of the time and the driest is Summer with only a 20% chance of a rainy day.
There is rarely any recorded snowfall in Phoenix, ranking it as one of the least snowy places in Arizona. Any measurable snowfall is a rare occurance in Phoenix.
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Kent · Chandler, AZ
Big City Revitalization.
This Year

Phoenix has tons of the best places to shop and eat at bar none due to it being the big city. Downtown is definitely underrated. There also is some nice new developments  More

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Ray · Mesa, AZ
Microcosm of the Valley. Building Back Better.
Over 1 years ago

Phoenix Arizona represents a lot of problems with Arizona but it is the big city which has to carry more burdens than the rest of the greater Phoenix Area. 1.  More

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no · Mesa, AZ
I pity anyone who wants to move here.
Over 2 years ago

I have lived here my whole life and it used to be not be as busy as it is. It used to be a state where old people would retire in this state and used to be cheap. To put  More

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