Driest places in the US in May

Ranked by the fewest wet days (0.01 in or more) in May. First: Palm Springs, CA (0 days), of 378 cities.

Driest places in the US in May
Rank	City	Wet days	High
1	Palm Springs, CA	0 days	95°F
2	Yuma, AZ	1 day	94°F
3	Goodyear, AZ	1 day	93°F
4	Palmdale, CA	1 day	83°F
5	Mesa, AZ	1 day	95°F
6	Furnace Creek, CA	1 day	101°F
7	Victorville, CA	1 day	81°F
8	Glendale, AZ	1 day	93°F
9	Peoria, AZ	1 day	93°F
10	Phoenix, AZ	1 day	95°F
11	Lancaster, CA	1 day	82°F
12	Las Vegas, NV	1 day	89°F
13	Gilbert, AZ	1 day	95°F
14	San Tan Valley, AZ	1 day	95°F
15	Menifee, CA	1 day	80°F
16	Temecula, CA	1 day	82°F
17	Tucson, AZ	1 day	92°F
18	Corona, CA	1 day	81°F
19	Riverside, CA	1 day	80°F
20	Costa Mesa, CA	2 days	75°F
21	Santa Clarita, CA	2 days	82°F
22	Huntington Beach, CA	2 days	75°F
23	Long Beach, CA	2 days	73°F
24	Burbank, CA	2 days	75°F
25	Irvine, CA	2 days	75°F

Which states lead

California (15 of the top 25), Arizona (9 of the top 25), Nevada (1 of the top 25). The top 25 range from 0 days to 2 days; the median across all 378 cities is 10 days.

The other end: wettest by wet days in May

Hilo, HI23 days
Haleiwa, HI20 days
Sitka, AK16 days
Ketchikan, AK16 days
Juneau, AK16 days

Driest places through the year

Month	First place	Wet days
January	Terlingua, TX	2 days
February	Terlingua, TX	2 days
March	Palm Springs, CA	2 days
April	Palm Springs, CA	1 day
May	Palm Springs, CA	0 days
June	Palm Springs, CA	0 days
July	Antioch, CA	0 days
August	Anaheim, CA	0 days
September	Corona, CA	0 days
October	Palm Springs, CA	1 day
November	Palm Springs, CA	1 day
December	Furnace Creek, CA	2 days

378 cities with data for this measure. Folded suburbs share their lead city's values and are not listed separately. Methodology.