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.
sea water
temperature
temperature
| Niagara Falls |
monthly
weather
weather
| Niagara Falls |
current
weather
weather
| Niagara Falls |
14 days
forecast
forecast
| Niagara Falls |
Monthly sea water temperature in Niagara Falls, °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 |
| 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 |
| Corpus Christi | 79.5°F | 80.9°F |
| Kailua Kona | 79.4°F | 79.1°F |
| South Padre Island | 79.1°F | 80.0°F |
| Galveston | 78.4°F | 79.6°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 |
Best time for vacation in Niagara Falls
Niagara Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Niagara Falls
Local time: 01:55
November 14, saturday
0300
37°F
SE
7 mph
7 mph
0600
37°F
SE
8 mph
8 mph
0900
39°F
SE
11 mph
11 mph
1200
41°F
SE
12 mph
12 mph
1500
43°F
SE
12 mph
12 mph
1800
41°F
SE
12 mph
12 mph
2100
41°F
SE
12 mph
12 mph
November 15, sunday
0000
41°F
SE
11 mph
11 mph
