21.12
sun
sun
Day
28°F
E 20 mph
Precip.
0%
0%
Night
16°F
E 12 mph
Precip.
0%
0%
22.12
mon
mon
Day
19°F
E 9 mph
Precip.
0%
0%
Night
25°F
NW 4 mph
Precip.
100%
100%
23.12
tue
tue
Day
30°F
SW 9 mph
Precip.
100%
100%
Night
21°F
SW 11 mph
Precip.
0%
0%
24.12
wed
wed
Day
23°F
E 2 mph
Precip.
0%
0%
Night
28°F
NE 6 mph
Precip.
67%
67%
25.12
thu
thu
Day
32°F
N 5 mph
Precip.
100%
100%
Night
30°F
W 3 mph
Precip.
0%
0%
26.12
fri
fri
Day
34°F
N 6 mph
Precip.
100%
100%
Night
18°F
SE 12 mph
Precip.
0%
0%
27.12
sat
sat
Day
9°F
SE 8 mph
Precip.
0%
0%
Night
7°F
E 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
10°F
E 7 mph
Precip.
0%
0%
Night
19°F
NE 8 mph
Precip.
0%
0%
29.12
mon
mon
Day
25°F
NE 4 mph
Precip.
0%
0%
Night
27°F
W 7 mph
Precip.
100%
100%
30.12
tue
tue
Day
30°F
S 7 mph
Precip.
100%
100%
Night
16°F
NE 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
19°F
SW 6 mph
Precip.
0%
0%
Night
12°F
S 2 mph
Precip.
22%
22%
01.01
thu
thu
Day
25°F
E 2 mph
Precip.
0%
0%
Night
21°F
N 2 mph
Precip.
0%
0%
02.01
fri
fri
Day
25°F
SW 9 mph
Precip.
43%
43%
Night
21°F
SW 7 mph
Precip.
0%
0%
03.01
sat
sat
Day
32°F
NW 9 mph
Precip.
79%
79%
Night
34°F
N 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| Montreal |
monthly
weather
weather
| Montreal |
current
weather
weather
| Montreal |
7 days
forecast
forecast
| Montreal |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 42.9°F. The highest and lowest sea temperatures during the month were 44.4°F and 41.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 36.3°F. The highest and lowest sea temperatures during the month were 38.1°F and 35.1°F.
Air temperature in Montreal, °F
Precipitation total in Montreal, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Montreal
Montreal on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Montreal
Local time: 03:48
December 21, sunday
0600
32°F
NE
19 mph
19 mph
0900
28°F
E
21 mph
21 mph
1200
28°F
E
20 mph
20 mph
1500
28°F
E
17 mph
17 mph
1800
23°F
E
13 mph
13 mph
2100
18°F
SE
14 mph
14 mph
December 22, monday
0000
16°F
E
12 mph
12 mph
0300
14°F
E
11 mph
11 mph
