World Resorts USA Provincetown Weather

Provincetown Sea Temperature in May

Average sea water temperature in May:
+50.6°F
Minimum sea water temperature in May: 58.6°F
Maximum sea water temperature in May: 44.1°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 50.6°F. The highest and lowest sea temperatures during the month were 55.6°F and 44.8°F.

Monthly sea water temperature in Provincetown, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Cocoa Beach 80.4°F 79.4°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F
St. George Island 77.8°F 79.2°F
Maui 77.0°F 77.5°F
Panama City Beach 76.8°F 79.0°F
St. Augustine 76.7°F 76.9°F
Santa Rosa Beach 76.4°F 78.8°F

Best time for vacation in Provincetown

Sunniest months:
November 15 days
June 14 days
September 13 days
Warmest months:
July 74.5 °F
August 73.5 °F
September 68.6 °F
Warmest sea temp:
August 68.4 °F
July 67.4 °F
September 65.3 °F
Coldest months:
January 35.6 °F
February 35.8 °F
December 40.8 °F
Rainiest months:
October 3 days
December 3 days
July 2 days
Windiest months:
December 15.4 mph
January 15.3 mph
February 14.6 mph

Provincetown on a weather map

Provincetown
+68°F
S 16 mph
Feels like: +68°F
Precip.: 4%
Places in USA:
Name
°F
+63°F
+75°F
+77°F
+73°F
+66°F
+81°F
+73°F
+79°F
+68°F
+70°F
+59°F
+66°F
+77°F
+81°F
+75°F
24 Hours Forecast
Provincetown
Local time: 04:27
August 15, saturday
0600
66°F
S
12 mph
0900
72°F
S
8 mph
1200
75°F
SE
7 mph
1500
68°F
W
9 mph
1800
70°F
NW
9 mph
2100
70°F
N
13 mph
August 16, sunday
0000
70°F
N
9 mph
0300
70°F
NE
9 mph
Units of measurement: °C / °F