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Phoenix weather in August (Arizona, United States of America)

What weather conditions can you expect in Phoenix this August? Use this page to get an overview of the month’s weather conditions.

Temperatures

In August, Phoenix tends to experience extremely high temperatures and moderate rainfall. During August, you’ll experience the summer season. Daytime temperatures hover around 40°C, while nights can cool down to about 28°C. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.

Precipitation

Phoenix in August usually receives moderate rainfall, averaging around 32 mm for the month. This month sees the most rain, so carrying an umbrella will ensure you stay dry. Delving into the climate records from the past 30 years, one can predict that nearly 6 days of the month will see rainfall.

Average sunshine

The city usually sees around 360 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Phoenix. January, February, March, April, October, November and December generally stand out with the best circumstances. While August tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Phoenix climate page with graphs.

 

Phoenix, monthly averages in August

Min TemperatureMin Temperature 28°C  
Max TemperatureMax Temperature 40°C  
Chance of RainChance of Rain 20%  
PrecipitationPrecipitation 32 mm  
Rainy daysRainy days 6 days  
HumidityHumidity 36%  
SunshineSunshine 360 hours  
Percentage SunshinePercentage Sunshine 87%  

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
10/10
Camping
9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Phoenix.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.