Phoenix weather in August

August in Phoenix averages 105°F by day and 84°F at night, with 0.9 inches of precipitation. It is the 2nd-warmest and 1st-wettest month of the year here.

PhoenixArizonaPop. 1,665,481
Average high
105°F-1° vs July
Average low
84°F0 nights below freezing
Precipitation
0.9 in2 days with 0.1 in. or more
Snow
0.0 in31 days at 90°F+

Is August a good time to visit Phoenix?

August is hot. Average highs reach 105°F, with about 31 days at 90°F or more. The most comfortable months overall are November to April.

Indoor ideas for Phoenix in August

With this heat, these are good bets: Rosson House, Orpheum Theatre, Wrigley Mansion, Arizona Street Railway Museum. All things to do in Phoenix.

On August 15 the sun rises at 5:51 am and sets at 7:13 pm, giving 13h 23m of daylight. Daylight all year.

What to pack for Phoenix in August

  • Light, breathable clothes, a hat and sunscreen; carry water

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

August nearby

CityDistanceHighLowPrecip.
Phoenix105°F84°F0.9 in
Glendale, AZ9 mi104°F79°F1.0 in
Tempe, AZ9 mi105°F75°F1.3 in
Scottsdale, AZ11 mi103°F82°F0.8 in
Avondale, AZ14 mi105°F81°F1.1 in
Peoria, AZ14 mi104°F79°F1.0 in
Mesa, AZ16 mi105°F75°F1.3 in

Frequently asked questions

What is the weather like in Phoenix in August?

In August, Phoenix averages a high of 105°F and a low of 84°F, with 0.9 inches of precipitation (NOAA 1991-2020 normals).

Is August a good time to visit Phoenix?

August is hot in Phoenix, with average highs of 105°F. Plan outdoor time for mornings and evenings.

Does it snow in Phoenix in August?

Rarely. The August snowfall normal is under half an inch.

Before and after: Phoenix in July and Phoenix in September. All twelve months: Phoenix weather by month.

NOAA NCEI 1991-2020 climate normals, station Phoenix Sky Harbor Intl. Airport, AZ, 4.3 miles from the city center; snowfall from South Phoenix, AZ.