Table below will help you to find the best place for your vacation in USA in May. Find the place with less rains and more sun. We also provide information about sea water temperature for marine resort.

Place name	Air temp day / night		Cloudiness	Rainy days (precipitation)	Sea temperature	Sunny hours
Amelia Island	81.7°F	67.8°F	42.4%	1 day (1.0 in.)	74.8°F	8 h. 53 min.
Anaheim	72.2°F	58.6°F	18.0%	-	62.4°F	12 h. 25 min.
Anchorage	48.7°F	41.0°F	53.9%	-	43.7°F	9 h. 5 min.
Atlanta	79.5°F	63.8°F	39.9%	1 day (0.7 in.)	-	9 h. 21 min.
Atlantic City	63.2°F	56.2°F	41.7%	2 days (0.7 in.)	57.2°F	9 h. 21 min.
Austin	89.1°F	70.5°F	44.9%	2 days (1.0 in.)	-	8 h. 32 min.
Baltimore	69.7°F	56.9°F	43.3%	2 days (1.1 in.)	62.1°F	9 h. 7 min.
Beverly Hills	71.2°F	57.5°F	18.0%	-	61.7°F	12 h. 25 min.
Biloxi	82.3°F	71.4°F	38.8%	4 days (1.7 in.)	77.9°F	9 h. 23 min.
Boston	67.4°F	52.5°F	32.6%	1 day (0.9 in.)	51.8°F	10 h. 50 min.
Bristol	67.3°F	52.3°F	36.0%	1 day (0.8 in.)	55.9°F	10 h. 18 min.
Buffalo (NY)	64.2°F	51.1°F	37.6%	1 day (0.8 in.)	50.0°F	10 h. 8 min.
Charleston (SC)	79.6°F	67.3°F	40.2%	2 days (1.0 in.)	73.9°F	9 h. 17 min.
Charlotte	78.1°F	59.3°F	40.8%	-	-	9 h. 18 min.
Chicago	64.8°F	54.5°F	39.9%	1 day (0.9 in.)	48.9°F	9 h. 44 min.
Clearwater Beach	82.8°F	75.9°F	28.3%	2 days (0.7 in.)	79.9°F	10 h. 42 min.
Cocoa Beach	82.5°F	71.6°F	41.8%	2 days (0.9 in.)	77.9°F	8 h. 53 min.
Colorado Springs	69.1°F	47.9°F	37.8%	4 days (2.2 in.)	-	9 h. 53 min.
Columbia (SC)	78.6°F	63.3°F	45.6%	1 day (1.1 in.)	-	8 h. 34 min.
Columbus (OH)	69.6°F	56.6°F	46.6%	3 days (1.4 in.)	-	8 h. 41 min.
Corpus Christi	83.1°F	77.0°F	39.3%	1 day (0.8 in.)	80.1°F	9 h. 13 min.
Dallas	85.0°F	69.1°F	39.7%	2 days (1.3 in.)	-	9 h. 21 min.
Daytona Beach	81.6°F	71.8°F	41.6%	1 day (0.9 in.)	76.1°F	8 h. 57 min.
Death Valley	87.7°F	65.6°F	9.5%	-	-	13 h. 46 min.
Denver	69.2°F	51.4°F	38.0%	6 days (4.5 in.)	-	9 h. 54 min.
Destin	81.3°F	71.3°F	33.0%	3 days (1.4 in.)	76.5°F	10 h. 10 min.
Detroit	69.4°F	54.5°F	36.1%	-	-	10 h. 20 min.
Fort Lauderdale	85.5°F	76.8°F	46.9%	3 days (1.3 in.)	80.6°F	8 h. 7 min.
Fresno	82.8°F	62.1°F	14.5%	-	-	13 h. 5 min.
Galveston	85.4°F	73.7°F	37.0%	2 days (1.4 in.)	78.4°F	9 h. 34 min.
Grand Canyon	71.3°F	54.8°F	12.9%	-	-	13 h. 17 min.
Green Bay	63.9°F	50.1°F	47.7%	2 days (1.0 in.)	53.6°F	8 h. 44 min.
Hawaii	77.7°F	73.6°F	43.0%	-	77.5°F	8 h. 30 min.
Hilton Head Island	78.6°F	66.4°F	45.7%	2 days (1.2 in.)	74.7°F	8 h. 29 min.
Hollywood	76.4°F	57.4°F	13.8%	-	61.7°F	13 h. 1 min.
Honolulu	79.1°F	73.4°F	39.7%	-	77.7°F	8 h. 56 min.
Houston	91.3°F	73.8°F	34.9%	2 days (0.9 in.)	77.7°F	9 h. 53 min.
Irvine	70.3°F	59.4°F	19.1%	-	63.0°F	12 h. 15 min.
Jacksonville	86.9°F	69.4°F	36.7%	1 day (0.7 in.)	75.0°F	9 h. 40 min.
Jekyll Island	81.7°F	67.8°F	42.4%	1 day (1.0 in.)	75.4°F	8 h. 54 min.
Juneau	49.1°F	43.7°F	56.3%	5 days (2.3 in.)	46.2°F	8 h. 21 min.
Kailua Kona	79.0°F	73.8°F	44.9%	-	78.3°F	8 h. 11 min.
Kansas City	73.7°F	58.5°F	43.9%	1 day (1.2 in.)	-	9 h. 2 min.
Kauai	76.0°F	73.2°F	62.1%	2 days (1.0 in.)	77.4°F	6 h. 0 min.
Key West	81.2°F	79.9°F	33.0%	-	81.7°F	9 h. 56 min.
Lake Tahoe	55.2°F	39.4°F	29.7%	-	51.3°F	11 h. 3 min.
Las Vegas	87.8°F	63.1°F	9.0%	-	-	13 h. 49 min.
Long Beach (CA)	66.5°F	59.6°F	26.9%	-	61.7°F	11 h. 11 min.
Los Angeles	74.1°F	59.3°F	19.1%	-	61.9°F	12 h. 16 min.
Malibu	70.6°F	54.4°F	18.4%	-	61.0°F	12 h. 23 min.
Marco Island	87.2°F	72.4°F	32.9%	2 days (1.3 in.)	81.9°F	9 h. 59 min.
Martha's Vineyard	57.2°F	53.7°F	36.8%	1 day (0.8 in.)	53.6°F	10 h. 10 min.
Maui	74.2°F	69.9°F	33.1%	-	76.8°F	9 h. 46 min.
Miami	86.9°F	78.2°F	38.0%	3 days (1.4 in.)	81.1°F	9 h. 18 min.
Miami Beach	85.3°F	78.7°F	37.1%	2 days (0.9 in.)	81.0°F	9 h. 25 min.
Michigan City	65.5°F	54.6°F	43.6%	2 days (1.3 in.)	50.9°F	9 h. 12 min.
Minneapolis	67.0°F	54.0°F	47.5%	2 days (1.1 in.)	-	8 h. 48 min.
Montauk	63.2°F	52.6°F	36.5%	2 days (0.8 in.)	51.1°F	10 h. 12 min.
Monterey	59.7°F	50.5°F	21.7%	-	54.9°F	12 h. 3 min.
Myrtle Beach	77.7°F	64.2°F	49.2%	2 days (1.5 in.)	72.0°F	8 h. 4 min.
Nantucket	54.0°F	53.4°F	39.9%	-	53.1°F	9 h. 43 min.
Naples	87.2°F	72.4°F	32.9%	2 days (1.3 in.)	81.5°F	10 h. 0 min.
Nashville (TN)	76.7°F	61.4°F	47.1%	3 days (1.2 in.)	-	8 h. 27 min.
New Orleans	88.5°F	72.2°F	32.0%	-	77.9°F	10 h. 17 min.
New York	71.0°F	57.6°F	36.0%	2 days (0.9 in.)	56.5°F	10 h. 15 min.
Niagara Falls	63.5°F	51.3°F	38.1%	1 day (0.8 in.)	48.9°F	10 h. 5 min.
Oahu	79.0°F	72.1°F	51.8%	-	77.0°F	7 h. 20 min.
Oklahoma City	79.1°F	62.5°F	35.8%	3 days (1.0 in.)	-	10 h. 0 min.
Orlando	89.9°F	70.9°F	31.9%	2 days (1.1 in.)	76.5°F	10 h. 14 min.
Outer Banks	66.8°F	63.8°F	54.6%	1 day (1.2 in.)	65.1°F	7 h. 22 min.
Palm Springs	86.0°F	61.2°F	6.4%	-	-	14 h. 2 min.
Panama City Beach	79.9°F	72.5°F	34.6%	4 days (1.9 in.)	77.2°F	9 h. 56 min.
Pensacola	82.9°F	70.4°F	36.9%	4 days (2.2 in.)	77.2°F	9 h. 38 min.
Philadelphia	72.3°F	56.2°F	38.5%	-	-	9 h. 50 min.
Phoenix	92.5°F	72.8°F	4.9%	-	-	14 h. 13 min.
Pittsburgh	69.5°F	53.0°F	43.4%	3 days (1.6 in.)	-	9 h. 10 min.
Portland	64.9°F	48.6°F	54.1%	1 day (1.1 in.)	-	7 h. 51 min.
Sacramento	80.0°F	53.6°F	17.8%	-	-	12 h. 44 min.
Salt Lake City	67.1°F	48.4°F	30.4%	2 days (1.1 in.)	-	11 h. 4 min.
San Diego	65.4°F	59.5°F	32.0%	-	63.5°F	10 h. 25 min.
San Francisco	58.6°F	51.5°F	25.8%	-	56.3°F	11 h. 32 min.
San Jose	77.0°F	47.4°F	21.3%	-	57.4°F	12 h. 9 min.
Santa Barbara	72.6°F	52.0°F	13.3%	-	58.5°F	13 h. 6 min.
Santa Catalina Island	67.6°F	59.3°F	19.3%	-	63.1°F	12 h. 13 min.
Santa Monica	69.4°F	58.2°F	20.1%	-	61.7°F	12 h. 8 min.
Sarasota	87.3°F	73.0°F	25.9%	-	79.7°F	11 h. 0 min.
Savannah	82.4°F	65.7°F	42.1%	1 day (1.1 in.)	-	8 h. 59 min.
Seattle	64.3°F	47.9°F	56.2%	-	-	7 h. 38 min.
Siesta Key	85.9°F	73.4°F	31.5%	2 days (1.0 in.)	80.1°F	10 h. 14 min.
Sitka	50.5°F	41.4°F	59.7%	3 days (1.5 in.)	47.7°F	7 h. 40 min.
South Padre Island	88.4°F	75.6°F	37.5%	2 days (0.8 in.)	78.4°F	9 h. 23 min.
St. Louis	76.6°F	60.1°F	37.6%	2 days (1.4 in.)	-	9 h. 55 min.
St. Petersburg	83.2°F	75.5°F	28.8%	2 days (0.7 in.)	80.1°F	10 h. 38 min.
Tampa	88.5°F	73.0°F	25.0%	1 day (0.6 in.)	80.1°F	11 h. 8 min.
Virginia Beach	69.7°F	61.2°F	48.4%	1 day (0.8 in.)	64.2°F	8 h. 17 min.
Washington	73.3°F	55.4°F	40.8%	-	63.9°F	9 h. 28 min.
West Palm Beach	83.8°F	76.0°F	47.8%	2 days (1.4 in.)	80.4°F	8 h. 2 min.
Wilmington (NC)	77.4°F	63.6°F	52.4%	3 days (1.7 in.)	70.5°F	7 h. 38 min.
Yellowstone	46.0°F	29.8°F	61.5%	12 days (5.6 in.)	-	6 h. 42 min.
Yosemite	53.8°F	35.7°F	25.8%	-	52.9°F	11 h. 33 min.

* Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Winter weather

Spring weather

Summer weather

Autumn weather

Name

°F

Boston