Average sea water temperature in January:
+41.2°F
| Minimum sea water temperature in January: | 45.9°F |
| Maximum sea water temperature in January: | 37.2°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 40.6°F. The highest and lowest sea temperatures during the month were 41.7°F and 39.9°F.
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Monthly sea water temperature in Saint John, °F
Which Canada resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Victoria | 47.8°F | 47.1°F |
| Tofino | 47.7°F | 47.5°F |
| Surrey | 45.9°F | 45.4°F |
| Nanaimo | 45.5°F | 45.1°F |
| North Vancouver | 45.3°F | 45.0°F |
| Vancouver | 45.3°F | 45.0°F |
| Saint John | 40.6°F | 39.8°F |
| Saint Andrews | 38.8°F | 38.7°F |
| Hamilton | 37.9°F | 38.0°F |
| Niagara-on-the-Lake | 37.8°F | 38.6°F |
| Oshawa | 37.6°F | 37.2°F |
| Toronto | 37.6°F | 37.9°F |
| Mississauga | 37.6°F | 37.8°F |
| Halifax | 37.4°F | 36.6°F |
| Montreal | 37.2°F | 36.3°F |
| Kingston | 36.7°F | 38.2°F |
| Lunenburg | 36.3°F | 36.5°F |
| Niagara Falls | 34.8°F | 36.2°F |
| St. John's | 34.8°F | 35.0°F |
| Sydney | 34.8°F | 34.9°F |
Best time for vacation in Saint John
Saint John on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 17:33
January 15, thursday
1800
41°F
N
11 mph
11 mph
2100
41°F
N
12 mph
12 mph
January 16, friday
0000
39°F
N
12 mph
12 mph
0300
36°F
NE
14 mph
14 mph
0600
32°F
NE
14 mph
14 mph
0900
28°F
NE
21 mph
21 mph
1200
25°F
E
19 mph
19 mph
1500
27°F
E
19 mph
19 mph
