Niagara Falls Weather: May
 |
Average Day Temperature: | 63.7°F |
|
Average Night Temperature: | 50.9°F |
|
Sea Water Temperature: | 49.6°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 14.1 - 15.1 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Niagara Falls |
Temperature
| Niagara Falls |
Air Temperature in May, °F
The highest day temperature in May 2026 was 94°F. The lowest night temperature was 30°F. The average values for day and night temperatures during May were 65.2°F и 48.8°F respectivly.
Niagara Falls Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Niagara Falls was 49.2°F. The maximum and minimum values were 42.4°F and 58.2°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Niagara Falls is 0.9 in.
The average wind speed in May is 8.2 mph. It makes May one of the most windless months of the year for Niagara Falls.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Niagara Falls in May is 8.1 hours.
Niagara Falls on the Weather Map
| Boston |  |
+94 |
| Chicago | |
+82 |
| Hawaii |  |
+82 |
| Houston | |
+106 |
| Las Vegas | |
+124 |
| Los Angeles | |
+92 |
| Maui | |
+78 |
| Miami | |
+92 |
| Myrtle Beach |  |
+84 |
| New York | |
+84 |
| San Diego | |
+80 |
| San Francisco | |
+62 |
| Santa Monica | |
+80 |
| Sarasota | |
+92 |
| Washington | |
+88 |
| 1800 |  |
92°F | N 4 mph |
| 2100 |  |
80°F | N 5 mph |
| 0000 | |
74°F | NE 4 mph |
| 0300 |  |
72°F | NE 4 mph |
| 0600 | |
72°F | NE 4 mph |
| 0900 | |
78°F | NE 5 mph |
| 1200 | |
84°F | NE 7 mph |
| 1500 |  |
88°F | NE 8 mph |