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Arizona Weather Records

Weather averages and records for the U.S. state of Arizona based on data made available by the NOAA.

Arizona Statewide Averages

Average temperatures and precipitation over the entire territory of the state, from 1991–2020.

Month	High (°F)	Low (°F)	Precipitation (in)
January	55.7	30.6	1.2
February	59.3	33.2	1.2
March	66.3	38.0	1.0
April	73.5	43.1	0.4
May	82.6	50.8	0.3
June	93.0	59.9	0.2
July	95.2	66.8	1.6
August	93.2	65.8	1.9
September	87.9	59.2	1.2
October	77.1	47.7	0.8
November	64.9	37.1	0.7
December	54.8	29.9	1.1
Entire Year	75.3	46.8	11.6

Hottest Temperature All-Time

The highest recorded temperature in Arizona history was 128 °F which was reached in Lake Havasu City on June 29, 1994.

Coldest Temperature All-Time

The lowest recorded temperature in Arizona history was -40 °F which was reached at Hawley Lake on January 7, 1971.

Arizona Cities

Yearly weather averages for various places in Arizona, from 1991–2020.

City	Average (°F)		Record (°F)		Yearly (inches)
City	High	Low	High	Low	Precipitation	Snow
Alpine	61.9	28.9	94	-32	19.7	42.7
Flagstaff	61.9	31.9	99	-30	20.5	90.4
Gila Bend	90.2	58.9	122	10	5.7	0.0
Lake Havasu City	88.2	62.2	128	25	3.8	0.0
Payson	73.4	40.8	107	-18	19.8	18.5
Phantom Ranch	82.1	55.8	120	3	9.3	0.1
Phoenix	87.2	63.9	122	17	7.2	n/a
Prescott	70.6	40.7	105	-21	16.3	9.7
Quartzsite	87.7	59.6	124	9	4.6	0.2
Show Low	67.3	40.4	100	-25	15.3	20.1
St. Johns	70.7	38.5	104	-29	9.0	6.8
Tombstone	78.7	51.5	112	3	13.6	1.1
Tucson	84.4	56.7	117	6	10.6	0.2
Willcox	79.9	44.4	112	-7	12.6	1.9
Winslow	72.4	40.1	110	-19	6.5	n/a
Yuma	88.9	64.0	124	22	3.4	0.0