Measurements:
°C
°F
Niagara Falls
68°F
S 6 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Niagara Falls Weather

7 Day Weather Forecast

05.18
sat
DAY
66°F
S 5 mph
precip
86%
NIGHT
58°F
W 2 mph
precip
79%
05.19
sun
DAY
72°F
E 4 mph
precip
0%
NIGHT
66°F
E 1 mph
precip
0%
05.20
mon
DAY
74°F
SE 1 mph
precip
0%
NIGHT
66°F
N 6 mph
precip
0%
05.21
tue
DAY
78°F
NE 14 mph
precip
0%
NIGHT
68°F
N 6 mph
precip
100%
05.22
wed
DAY
80°F
NE 21 mph
precip
0%
NIGHT
68°F
NE 11 mph
precip
100%
05.23
thu
DAY
66°F
SE 9 mph
precip
0%
NIGHT
56°F
NE 3 mph
precip
0%
05.24
fri
DAY
66°F
SE 2 mph
precip
0%
NIGHT
58°F
W 7 mph
precip
0%

Niagara Falls Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Niagara Falls was 9.1°F. The maximum and minimum values were 7.0°F and 12.8°F respectively.

Niagara Falls on the Weather Map

Best Time to Visit Niagara Falls
The most sunny months:
September 14 days
July 12 days
August 12 days
The most warm months:
July 80.7 °F
August 80.1 °F
June 74.8 °F
Warmest sea temperature:
August 75.4 °F
July 73.4 °F
September 72.6 °F
The most cold months:
January 28.2 °F
February 28.9 °F
December 36.4 °F
The most rainy months:
July 4 days
April 3 days
May 2 days
The most windy months:
November 11 mph
February 11 mph
December 11 mph