Phoenix weather in August 2025

The temperatures in Phoenix during August are extremely high, between 30°C and hot as 39°C, drinking water regularly is advisable.

You can expect about 3 to 8 days of rain in Phoenix during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Phoenix in August 2025.

If you’re planning to visit Phoenix in the near future, we highly recommend that you review the 14 day weather forecast for Phoenix before you arrive.

Temperatures

39° / 30°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.9

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1 41° /31°	2 42° /32°
3 43° /33°	4 43° /32°	5 43° /33°	6 41° /32°	7 41° /32°	8 41° /31°	9 40° /32°
10 40° /31°	11 40° /30°	12 40° /31°	13 41° /32°	14 42° /32°	15 41° /32°	16 42° /32°
17 42° /33°	18 41° /32°	19 40° /31°	20 39° /31°	21 39° /30°	22 40° /30°	23 40° /31°
24 41° /30°	25 41° /31°	26 42° /32°	27 43° /33°	28 42° /32°	29 41° /31°	30 41° /31°
31 40° /31°

Explore the weather in Phoenix in other months

Phoenix annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	19° / 9°	1	30	34 mm	Good	Phoenix in January
February	21° / 11°	2	26	31 mm	Good	Phoenix in February
March	25° / 14°	1	30	24 mm	Perfect	Phoenix in March
April	29° / 18°	1	29	9 mm	Good	Phoenix in April
May	33° / 21°	0	31	4 mm	Good	Phoenix in May
June	39° / 27°	0	30	6 mm	Bad	Phoenix in June
July	39° / 30°	4	27	64 mm	Bad	Phoenix in July
August	39° / 30°	3	28	54 mm	Bad	Phoenix in August
September	37° / 28°	3	27	54 mm	Ok	Phoenix in September
October	31° / 21°	2	29	27 mm	Good	Phoenix in October
November	25° / 15°	1	29	23 mm	Perfect	Phoenix in November
December	18° / 10°	2	29	37 mm	Good	Phoenix in December