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%
24.12
wed
wed
Day

39°F
SE 9 mph
Precip.
0%
0%
Night

36°F
W 7 mph
Precip.
28%
28%
25.12
thu
thu
Day

50°F
E 17 mph
Precip.
60%
60%
Night

36°F
SE 12 mph
Precip.
0%
0%
26.12
fri
fri
Day

36°F
SE 11 mph
Precip.
0%
0%
Night

32°F
E 7 mph
Precip.
0%
0%
27.12
sat
sat
Day

34°F
NE 7 mph
Precip.
0%
0%
Night

34°F
E 19 mph
Precip.
0%
0%
28.12
sun
sun
Day

23°F
SE 12 mph
Precip.
0%
0%
Night

21°F
E 8 mph
Precip.
0%
0%
29.12
mon
mon
Day

23°F
W 9 mph
Precip.
0%
0%
Night

28°F
W 3 mph
Precip.
0%
0%
30.12
tue
tue
Day

36°F
E 7 mph
Precip.
0%
0%
Night

34°F
E 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Hamilton |
monthly
weather
weather
| Hamilton |
current
weather
weather
| Hamilton |
7 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: 17:40
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



























