Average sea water temperature in March:
+36.4°F
| Minimum sea water temperature in March: | 39.0°F |
| Maximum sea water temperature in March: | 33.8°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 35.2°F. The highest and lowest sea temperatures during the month were 36.3°F and 33.8°F.
sea water
temperature
temperature
| Saint John |
monthly
weather
weather
| Saint John |
current
weather
weather
| Saint John |
14 days
forecast
forecast
| Saint John |
Monthly sea water temperature in Saint John, °F
Which Canada resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Tofino | 47.6°F | 46.4°F |
| Victoria | 47.1°F | 45.9°F |
| Surrey | 46.7°F | 46.4°F |
| Vancouver | 46.4°F | 45.7°F |
| North Vancouver | 46.4°F | 45.7°F |
| Nanaimo | 45.9°F | 46.3°F |
| Kingston | 36.8°F | 36.5°F |
| Hamilton | 36.0°F | 37.2°F |
| Windsor | 35.9°F | 37.4°F |
| Mississauga | 35.9°F | 36.4°F |
| Toronto | 35.7°F | 36.1°F |
| Oshawa | 35.3°F | 36.8°F |
| Niagara-on-the-Lake | 35.3°F | 36.2°F |
| Saint John | 35.2°F | 36.1°F |
| Saint Andrews | 34.9°F | 36.0°F |
| Halifax | 34.3°F | 35.7°F |
| Lunenburg | 34.3°F | 35.2°F |
| Niagara Falls | 33.6°F | 34.2°F |
| Quebec | 32.9°F | 31.4°F |
| Thunder Bay | 32.7°F | 33.1°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: 07:25
March 17, tuesday
0900
48°F
N
30 mph
30 mph
1200
46°F
NE
24 mph
24 mph
1500
43°F
NE
21 mph
21 mph
1800
37°F
NE
20 mph
20 mph
2100
34°F
E
15 mph
15 mph
March 18, wednesday
0000
27°F
SE
12 mph
12 mph
0300
21°F
E
12 mph
12 mph
0600
18°F
E
12 mph
12 mph
