Phoenix

Maricopa County Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Maricopa County, the United States of America in August.

Planning a getaway to Maricopa County, the United States of America this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Maricopa County in August

Maricopa County, the United States of America is a region in the United States of America. August in Maricopa County generally has very hot temperatures, with moderate precipitation. August falls during the summer season.

Temperatures

You can expect very hot maximum daytime temperatures of around 40°C (104°F) and nighttime temperatures around 28°C (82°F) in Phoenix. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To learn more about the conditions in specific areas of Maricopa County, the United States of America, check out the map below.

Precipitation

August is a moderate rainy month with an average rainfall of around 32 mm (1.3 in) in Phoenix. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Phoenix.

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Phoenix enjoys approximately 360 hours of sunlight, ideal for those seeking sunny weather.

Explore Maricopa County by month

Pick a month to see the average temperature, rainfall and sunshine in Maricopa County — and find the best time to visit. (based on Phoenix)

Best Places to Visit in Maricopa County in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maricopa County.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Maricopa County

What is the weather like in August for some of the most popular destinations in Maricopa County, the United States of America?

Temperature range in Maricopa County (August)

Precipitation variation in Maricopa County (August)

Phoenix

In August Phoenix generally has extremely high temperatures with maximum daytime temperatures around 40°C (104°F), minimum nighttime temperatures around 28°C (82°F) and moderate monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
41°C (106°F)
40°C (104°F)
38°C (100°F)
Min temperature
28°C (82°F)
28°C (82°F)
24°C (75°F)
Monthly sun hours
378 hours
360 hours
328 hours
Monthly rainfall
19 mm (0.7 in)
32 mm (1.3 in)
23 mm (0.9 in)
Monthly rainy days
5 days
6 days
4 days
Weather conditions

Scottsdale

In August Scottsdale generally has extremely high temperatures with maximum daytime temperatures around 40°C (104°F), minimum nighttime temperatures around 27°C (81°F) and moderate monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
41°C (106°F)
40°C (104°F)
37°C (99°F)
Min temperature
28°C (82°F)
27°C (81°F)
24°C (75°F)
Monthly sun hours
378 hours
357 hours
328 hours
Monthly rainfall
24 mm (0.9 in)
32 mm (1.3 in)
23 mm (0.9 in)
Monthly rainy days
5 days
7 days
4 days
Weather conditions

Mesa

In August Mesa generally has extremely high temperatures with maximum daytime temperatures around 40°C (104°F), minimum nighttime temperatures around 27°C (81°F) and moderate monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
41°C (106°F)
40°C (104°F)
37°C (99°F)
Min temperature
27°C (81°F)
27°C (81°F)
23°C (73°F)
Monthly sun hours
378 hours
357 hours
328 hours
Monthly rainfall
28 mm (1.1 in)
31 mm (1.2 in)
27 mm (1.1 in)
Monthly rainy days
5 days
6 days
4 days
Weather conditions

Chandler

In August Chandler generally has extremely high temperatures with maximum daytime temperatures around 40°C (104°F), minimum nighttime temperatures around 26°C (79°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
41°C (106°F)
40°C (104°F)
37°C (99°F)
Min temperature
27°C (81°F)
26°C (79°F)
23°C (73°F)
Monthly sun hours
378 hours
357 hours
328 hours
Monthly rainfall
30 mm (1.2 in)
29 mm (1.1 in)
28 mm (1.1 in)
Monthly rainy days
6 days
7 days
4 days
Weather conditions

Glendale

In August Glendale generally has extremely high temperatures with maximum daytime temperatures around 40°C (104°F), minimum nighttime temperatures around 27°C (81°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
41°C (106°F)
40°C (104°F)
37°C (99°F)
Min temperature
28°C (82°F)
27°C (81°F)
24°C (75°F)
Monthly sun hours
378 hours
360 hours
328 hours
Monthly rainfall
17 mm (0.7 in)
30 mm (1.2 in)
20 mm (0.8 in)
Monthly rainy days
5 days
7 days
3 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Maricopa County, in the United States of America.

Popular cities in August

Day & night temperatures, rainfall and average weather in Maricopa County in August.

City Weather Day temp Night temp Rainfall
Phoenix 40°C (104°F) 28°C (82°F) 32 mm (1.3 in)
Scottsdale 40°C (104°F) 27°C (81°F) 32 mm (1.3 in)
Mesa 40°C (104°F) 27°C (81°F) 31 mm (1.2 in)
Chandler 40°C (104°F) 26°C (79°F) 29 mm (1.1 in)
Glendale 40°C (104°F) 27°C (81°F) 30 mm (1.2 in)
Gilbert 40°C (104°F) 26°C (79°F) 29 mm (1.1 in)

Maricopa County weather in August: frequently asked questions

What is the weather like in Maricopa County, the United States of America in August?

Expect poor weather across Maricopa County, the United States of America in August. The popular destination of Phoenix averages 40°C (104°F) by day and 28°C (82°F) at night during this summer month.

What is the average temperature in Maricopa County, the United States of America in August?

In Phoenix, the average daytime high in August is 40°C (104°F), while nighttime temperatures drop to around 28°C (82°F).

Does Maricopa County, the United States of America get a lot of rain in August?

Not particularly. Phoenix averages just 32 mm (1.3 in) of rain in August, making it a mostly dry month for Maricopa County, the United States of America.

Is August a Good Time to Visit Maricopa County, the United States of America?

In our opinion, August may not be the ideal time to visit Maricopa County, the United States of America due to the typically poor weather in Phoenix.

On average, the best time to visit Maricopa County, the United States of America is in January, February, March, November and December with generally perfect weather in Phoenix. On the other hand, the months of May, June, July, August and September tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Maricopa County.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.