Best beach weather in the US in January

Ranked by the most beach days in January: 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: Honolulu, HI (15 days), of 91 cities.

Best beach weather in the US in January
Rank	City	Beach days	High	Wet days
1	Honolulu, HI	15 days	81°F	8
2	Key Largo, FL	15 days	78°F	7
3	Hilo, HI	13 days	79°F	16
4	Kihei, HI	11 days	82°F	8
5	Naples, FL	9 days	74°F	8
6	Cape Coral, FL	9 days	75°F	6
7	Haleiwa, HI	8 days	78°F	19
8	Miami, FL	8 days	76°F	8
9	East Honolulu, HI	8 days	78°F	11
10	Fort Lauderdale, FL	6 days	76°F	9
11	Lihue, HI	6 days	79°F	12
12	Key West, FL	6 days	76°F	7
13	Boca Raton, FL	5 days	76°F	8
14	West Palm Beach, FL	5 days	75°F	8
15	Spring Hill, FL	5 days	71°F	9
16	Irvine, CA	5 days	69°F	6
17	Huntington Beach, CA	5 days	69°F	6
18	Costa Mesa, CA	5 days	69°F	7
19	Palm Bay, FL	4 days	72°F	9
20	Port St. Lucie, FL	4 days	72°F	8
21	Tampa, FL	3 days	71°F	7
22	Long Beach, CA	3 days	67°F	6
23	Solvang, CA	3 days	67°F	8
24	Daytona Beach, FL	3 days	69°F	8
25	Torrance, CA	2 days	66°F	6

Which states lead

Florida (13 of the top 25), Hawaii (6 of the top 25), California (6 of the top 25). The top 25 range from 15 days to 2 days; the median across all 91 cities is 0 days.

The other end: fewest beach days in January

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

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