18.12
thu
thu
Day
39°F
N 14 mph
Precip.
0%
0%
Night
43°F
N 25 mph
Precip.
100%
100%
19.12
fri
fri
Day
30°F
E 22 mph
Precip.
0%
0%
Night
27°F
E 20 mph
Precip.
0%
0%
20.12
sat
sat
Day
28°F
N 12 mph
Precip.
0%
0%
Night
37°F
NE 22 mph
Precip.
0%
0%
21.12
sun
sun
Day
27°F
E 24 mph
Precip.
100%
100%
Night
25°F
E 17 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.
74%
74%
24.12
wed
wed
Day
36°F
E 12 mph
Precip.
29%
29%
Night
32°F
NE 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Niagara-on-the-Lake |
monthly
weather
weather
| Niagara-on-the-Lake |
current
weather
weather
| Niagara-on-the-Lake |
14 days
forecast
forecast
| Niagara-on-the-Lake |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 40.8°F. The highest and lowest sea temperatures during the month were 43.9°F and 39.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 38.6°F. The highest and lowest sea temperatures during the month were 40.3°F and 36.3°F.
Air temperature in Niagara-on-the-Lake, °F
Precipitation total in Niagara-on-the-Lake, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Niagara-on-the-Lake
Niagara-on-the-Lake on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 04:26
December 18, thursday
0600
30°F
N
7 mph
7 mph
0900
32°F
N
9 mph
9 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
43°F
N
25 mph
25 mph
0300
39°F
NE
22 mph
22 mph
