Arizona Climate Data

Driest location ranked by lowest average annual precipitation: Yuma Valley, southwest Arizona, 2.63"

Wettest location ranked by highest average annual precipitation: Hawley Lake, east-central Arizona, 39.62"

Snowiest location ranked by highest average annual snowfall: Sunrise Mountain, northeast Arizona, 243.0"

State precipitation record for 24 hours - Workman Creek, central Arizona, 9/5/1970, 11.40"

State precipitation record for 1 year - Hawley Lake, east-central Arizona, 1978, 58.92"

State snowfall record for 24 hours - Heber Ranger Station, northeast Arizona, 38.0"

State snow record for 1 season - Sunrise Mountain, northeastern Arziona,1972-1973, 400.9"

Yuma in southwestern Arizona is the driest city in the United States with an average of only 3.01 
inches of precipitation per year. Yuma is also the sunniest city with 90% of possible sunshine per year

Flagstaff in northern Arizona is the eighth snowiest city in the United States with an average of 100.2 inches
of snow per year. This total is higher than several cities often thought of as receiving high amounts of snow -
Buffalo, New York (95.7"), Duluth, Minnesota (83.3") and Juneau, Alaska (95.3")

Precipitation data for other U.S. states
Data sources: National Climatic Data Center

City	Avg Annual Precip	Avg Snow Annual	Avg. # days of Precip	Avg # thunderstorm days	Avg # hail days	Avg annual wind / record highest wind
Flagstaff	22.91	100.2	82	62	5	6.4 / 46 mph
Phoenix	8.29	0.0	36	23	1	6.2 / 51 mph
Tuscon	12.17	1.2	53	42	1	8.3 / 71 mph
Winslow	8.03	10.5	54	34	1	8.8 / 63 mph
Yuma	3.01	0.0	17	19	0	7.8 / 61 mph
Arizona Annual Precipitation Average - 13.61 in - 47th wettest in U.S. Arizona Tornado Average - 3.5 per year - 33rd most in U.S.