17.12
wed
wed
Day
41°F
E 19 mph
Precip.
0%
0%
Night
32°F
NE 4 mph
Precip.
0%
0%
18.12
thu
thu
Day
41°F
N 14 mph
Precip.
0%
0%
Night
39°F
N 22 mph
Precip.
100%
100%
19.12
fri
fri
Day
34°F
E 19 mph
Precip.
0%
0%
Night
28°F
E 14 mph
Precip.
0%
0%
20.12
sat
sat
Day
32°F
N 10 mph
Precip.
100%
100%
Night
36°F
NE 16 mph
Precip.
0%
0%
21.12
sun
sun
Day
28°F
E 19 mph
Precip.
0%
0%
Night
25°F
SE 13 mph
Precip.
0%
0%
22.12
mon
mon
Day
25°F
NE 9 mph
Precip.
0%
0%
Night
32°F
NE 14 mph
Precip.
0%
0%
23.12
tue
tue
Day
37°F
NE 19 mph
Precip.
0%
0%
Night
43°F
E 17 mph
Precip.
64%
64%
sea water
temperature
temperature
| Hamilton |
monthly
weather
weather
| Hamilton |
current
weather
weather
| Hamilton |
14 days
forecast
forecast
| Hamilton |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 39.8°F. The highest and lowest sea temperatures during the month were 41.7°F and 38.8°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 38.0°F. The highest and lowest sea temperatures during the month were 39.7°F and 36.7°F.
Air temperature in Hamilton, °F
Precipitation total in Hamilton, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hamilton
Hamilton on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Hamilton
Local time: 16:36
December 17, wednesday
1800
36°F
E
10 mph
10 mph
2100
34°F
NE
6 mph
6 mph
December 18, thursday
0000
32°F
NE
4 mph
4 mph
0300
34°F
N
9 mph
9 mph
0600
36°F
NE
13 mph
13 mph
0900
37°F
N
12 mph
12 mph
1200
41°F
N
14 mph
14 mph
1500
41°F
N
16 mph
16 mph
