Current sea water temperature:
+33.3°F
| Minimum sea water temperature in December: | 47.8°F |
| Maximum sea water temperature in December: | 32.9°F |
| Average sea water temperature in December: | 40.9°F |
| more information | |
14 days
forecast
forecast
| Niagara Falls |
monthly
weather
weather
| Niagara Falls |
Sea water temperature for the last 10 days:
| December 29 | 33.3°F | December 24 | 34.3°F |
| December 28 | 32.9°F | December 23 | 34.5°F |
| December 27 | 33.3°F | December 22 | 34.9°F |
| December 26 | 33.6°F | December 21 | 36.3°F |
| December 25 | 34.0°F | December 20 | 36.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Niagara Falls?
Based on the data about daily sea water temperature for the last three years the warmest sea in Niagara Falls was noticed in August, July and September.
Monthly Sea Temperatures in Niagara Falls, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 75.9°F and 68.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.5°F. The highest and lowest sea temperatures during the month were 76.3°F and 65.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 69.3°F and 62.8°F.
current
weather
weather
| Niagara Falls |
weather in
January
January
| Niagara Falls |
Best time for vacation in Niagara Falls
Niagara Falls on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara Falls
Local time: 02:59
December 29, monday
0300
55°F
NE
18 mph
18 mph
0600
46°F
NE
27 mph
27 mph
0900
36°F
NE
31 mph
31 mph
1200
30°F
NE
35 mph
35 mph
1500
30°F
NE
32 mph
32 mph
1800
27°F
E
27 mph
27 mph
2100
25°F
E
25 mph
25 mph
December 30, tuesday
0000
23°F
SE
24 mph
24 mph
