Phoenix, AZ
-8.2 inches annual rainfall on average
-30 days of rainfall/year on average.
-211 clear days/year on average
-average annual temperature 87 HIGH / 63 LOW
Top 10 driest US cities
1) Las Vegas,NV....4.2 inches
2) Phoenix,AZ
3) Riverside,CA
4) San Diego,CA
5) Los Angeles,CA
6) Denver,CO
7) San Jose,CA
8) Salt Lake City,UT
9) Sacramento,CA....18.5 inches
http://www.currentresults.com/Weather-Extremes/US/driest-city.php
Most dry days US cities
1)Las Vegas, Nevada339
2)Phoenix, Arizona335
3)Riverside, California335
4)Los Angeles, California329
5)San Diego, California324
6)Sacramento, California305
7)San Jose, California303
http://www.currentresults.com/Weather-Extremes/US/driest-city.php