World Resorts USA Niagara Falls Weather

Niagara Falls Sea Temperature in May

Average sea water temperature in May:
+49.7°F
Minimum sea water temperature in May: 65.3°F
Maximum sea water temperature in May: 40.8°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 49.3°F. The highest and lowest sea temperatures during the month were 57.4°F and 43.2°F.

Monthly sea water temperature in Niagara Falls, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.6°F 84.5°F
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Marco Island 83.2°F 83.5°F
Hialeah 82.9°F 82.3°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F

Best time for vacation in Niagara Falls

Sunniest months:
September 14 days
July 12 days
August 12 days
Warmest months:
July 78.6 °F
August 77.3 °F
June 73.0 °F
Warmest sea temp:
August 72.7 °F
July 71.3 °F
September 69.4 °F
Coldest months:
January 29.1 °F
February 30.0 °F
December 35.9 °F
Rainiest months:
July 3 days
October 2 days
April 2 days
Windiest months:
November 11.3 mph
December 11.0 mph
January 10.8 mph

Niagara Falls on a weather map

Niagara Falls
+75°F
NE 10 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+77°F
+77°F
+106°F
+75°F
+75°F
+81°F
+72°F
+77°F
+66°F
+75°F
+66°F
+81°F
+84°F
+79°F
+70°F
24 Hours Forecast
Niagara Falls
Local time: 22:22
June 06, saturday
0000
72°F
NE
6 mph
0300
68°F
NE
12 mph
0600
64°F
NE
16 mph
0900
64°F
NE
17 mph
1200
66°F
NE
16 mph
1500
66°F
NE
13 mph
1800
68°F
NE
11 mph
2100
63°F
E
6 mph
Units of measurement: °C / °F