Best beach weather in the US in March

Ranked by the most beach days in March: highs 80-95°F, under 0.05 in of rain and afternoon wind under 15 mph (cities within 10 mi of a coast or Great Lake). First: Key Largo, FL (17 days), of 90 cities.

Best beach weather in the US in March
Rank	City	Beach days	High	Wet days
1	Key Largo, FL	17 days	83°F	7
2	Cape Coral, FL	17 days	81°F	5
3	Naples, FL	14 days	79°F	5
4	Spring Hill, FL	14 days	78°F	7
5	Key West, FL	13 days	80°F	5
6	Miami, FL	13 days	81°F	6
7	Honolulu, HI	13 days	81°F	9
8	Tampa, FL	12 days	78°F	6
9	Fort Lauderdale, FL	11 days	79°F	8
10	East Honolulu, HI	9 days	79°F	13
11	Haleiwa, HI	9 days	79°F	21
12	West Palm Beach, FL	8 days	79°F	8
13	Hilo, HI	8 days	79°F	22
14	Boca Raton, FL	8 days	79°F	8
15	Palm Bay, FL	8 days	78°F	7
16	Kihei, HI	7 days	83°F	10
17	Port St. Lucie, FL	7 days	77°F	7
18	Daytona Beach, FL	6 days	76°F	8
19	Solvang, CA	6 days	71°F	7
20	Lihue, HI	6 days	79°F	15
21	Costa Mesa, CA	5 days	71°F	5
22	Irvine, CA	5 days	71°F	5
23	Huntington Beach, CA	5 days	71°F	6
24	Hilton Head Island, SC	4 days	70°F	9
25	League City, TX	4 days	73°F	9

Which states lead

Florida (13 of the top 25), Hawaii (6 of the top 25), California (4 of the top 25), then 2 more states. The top 25 range from 17 days to 4 days; the median across all 90 cities is 1 day.

The other end: fewest beach days in March

Best beach weather through the year

Month	First place	Beach days
January	Honolulu, HI	15 days
February	Key Largo, FL	15 days
March	Key Largo, FL	17 days
April	Cape Coral, FL	22 days
May	Tampa, FL	25 days
June	East Honolulu, HI	24 days
July	East Honolulu, HI	25 days
August	Costa Mesa, CA	27 days
September	East Honolulu, HI	24 days
October	East Honolulu, HI	24 days
November	East Honolulu, HI	19 days
December	Key Largo, FL	17 days

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