Arizona Temperatures in August

Typical temperatures at cities, towns, national parks and monuments in Arizona during the month of August are listed below.

You'll find separate tables for each region of the state: Southern Arizona, Western Arizona, Phoenix Area, Central Arizona, and Northern Arizona.

The tables give the normal maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Southern Arizona

Average temperatures in August
High °F	Low °F	Place	High °C	Low °C
85	61	Bisbee	29	16
87	60	Chiricahua National Monument	30	16
87	62	Coronado National Monument	30	16
92	64	Douglas	33	18
97	71	Green Valley	36	22
92	64	Nogales	34	18
103	75	Organ Pipe Cactus Monument	40	24
90	62	Sierra Vista	32	16
92	67	Tombstone	33	20
99	75	Tucson	37	24

Western Arizona

Average August temperaturess
High °F	Low °F	Place	High °C	Low °C
109	81	Bullhead City	43	27
97	69	Kingman	36	21
108	82	Lake Havasu City	42	28
108	81	Parker	42	27
106	83	Yuma	41	28

Phoenix Area

Normal temperatures for August
High °F	Low °F	Place	High °C	Low °C
104	76	Apache Junction	40	25
105	84	Phoenix	41	29
103	82	Scottsdale	39	28
101	78	South Phoenix	38	25
105	75	Tempe	40	24

Central Arizona

August temperature averages
High °F	Low °F	Place	High °C	Low °C
105	77	Casa Grande	41	25
95	69	Globe	35	21
73	46	Greer	23	8
88	67	Jerome	31	19
88	58	Painted Desert National Park	31	15
91	59	Payson	33	15
91	59	Petrified Forest National Park	33	15
87	60	Prescott	31	15
94	67	Sedona	35	19
83	58	Show Low	28	14
104	76	Stewart Mountain	40	24
102	72	Wickenburg	39	22

Northern Arizona

Typical temperatures in August
High °F	Low °F	Place	High °C	Low °C
90	59	Canyon de Chelly	32	15
79	51	Flagstaff	26	10
82	50	Grand Canyon Village	28	10
90	65	Monument Valley	32	18
94	68	Page	34	20
92	60	Pipe Springs Monument	33	16
82	52	Williams	28	11