18.12
thu
thu
Day
39°F
N 14 mph
Precip.
0%
0%
Night
41°F
N 24 mph
Precip.
100%
100%
19.12
fri
fri
Day
30°F
E 21 mph
Precip.
0%
0%
Night
27°F
E 19 mph
Precip.
0%
0%
20.12
sat
sat
Day
28°F
N 12 mph
Precip.
0%
0%
Night
37°F
NE 21 mph
Precip.
0%
0%
21.12
sun
sun
Day
27°F
E 23 mph
Precip.
100%
100%
Night
25°F
E 16 mph
Precip.
100%
100%
22.12
mon
mon
Day
25°F
SE 8 mph
Precip.
0%
0%
Night
23°F
W 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
27°F
NW 6 mph
Precip.
0%
0%
Night
34°F
E 14 mph
Precip.
53%
53%
24.12
wed
wed
Day
36°F
E 11 mph
Precip.
29%
29%
Night
32°F
NE 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
30°F
SW 8 mph
Precip.
0%
0%
Night
28°F
W 8 mph
Precip.
0%
0%
26.12
fri
fri
Day
30°F
W 9 mph
Precip.
0%
0%
Night
45°F
N 14 mph
Precip.
100%
100%
27.12
sat
sat
Day
39°F
E 13 mph
Precip.
78%
78%
Night
34°F
E 15 mph
Precip.
53%
53%
28.12
sun
sun
Day
28°F
SE 17 mph
Precip.
100%
100%
Night
25°F
SE 13 mph
Precip.
53%
53%
29.12
mon
mon
Day
25°F
SW 9 mph
Precip.
0%
0%
Night
25°F
W 12 mph
Precip.
22%
22%
30.12
tue
tue
Day
32°F
NW 9 mph
Precip.
100%
100%
Night
41°F
NE 17 mph
Precip.
0%
0%
31.12
wed
wed
Day
36°F
NE 17 mph
Precip.
27%
27%
Night
32°F
E 17 mph
Precip.
74%
74%
sea water
temperature
temperature
| Niagara Falls |
monthly
weather
weather
| Niagara Falls |
current
weather
weather
| Niagara Falls |
7 days
forecast
forecast
| Niagara Falls |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 40.2°F. The highest and lowest sea temperatures during the month were 43.3°F and 38.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 36.2°F. The highest and lowest sea temperatures during the month were 38.3°F and 34.7°F.
Air temperature in Niagara Falls, °F
Precipitation total in Niagara Falls, in.
* Charts above show average data for the last 3 years.
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: 04:26
December 18, thursday
0600
32°F
N
6 mph
6 mph
0900
32°F
N
8 mph
8 mph
1200
39°F
N
14 mph
14 mph
1500
41°F
N
14 mph
14 mph
1800
41°F
N
17 mph
17 mph
2100
41°F
N
21 mph
21 mph
December 19, friday
0000
41°F
N
24 mph
24 mph
0300
39°F
NE
22 mph
22 mph
