Average sea water temperature in March:
+37.3°F
| Minimum sea water temperature in March: | 40.6°F |
| Maximum sea water temperature in March: | 33.6°F |
Daily sea water temperature in March, °F
Show year:
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The average sea water temperature in March of 2025 was 36.8°F. The highest and lowest sea temperatures during the month were 39.0°F and 33.6°F.
Monthly sea water temperature in Oshawa, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
12
24
36
48
60
72
84
40.2
47.9
57.8
67.8
70.1
67.1
55.8
46.8
40.4
37.3
36.5
37.7
Which Canada resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Tofino | 46.4°F | 47.6°F |
| Surrey | 46.4°F | 47.0°F |
| Nanaimo | 46.3°F | 46.1°F |
| Victoria | 45.9°F | 46.9°F |
| North Vancouver | 45.7°F | 46.4°F |
| Vancouver | 45.7°F | 46.3°F |
| Windsor | 37.4°F | 39.1°F |
| Hamilton | 37.2°F | 38.1°F |
| Oshawa | 36.8°F | 38.8°F |
| Kingston | 36.5°F | 37.3°F |
| Mississauga | 36.4°F | 38.3°F |
| Niagara-on-the-Lake | 36.2°F | 38.2°F |
| Toronto | 36.1°F | 38.5°F |
| Saint John | 36.1°F | 36.7°F |
| Saint Andrews | 36.0°F | 37.6°F |
| Halifax | 35.7°F | 35.5°F |
| Lunenburg | 35.2°F | 35.5°F |
| Niagara Falls | 34.2°F | 34.1°F |
| Thunder Bay | 33.1°F | 33.1°F |
| St. John's | 32.6°F | 31.7°F |
Best time for vacation in Oshawa
Oshawa on a weather map
Leaflet | Tiles © Esri
Places in Canada:
Name
°F
24 Hours Forecast
Oshawa
Local time: 20:53
April 26, saturday
2100
45°F
SE
21 mph
21 mph
April 27, sunday
0000
43°F
SE
22 mph
22 mph
0300
39°F
SE
21 mph
21 mph
0600
39°F
SE
20 mph
20 mph
0900
48°F
SE
19 mph
19 mph
1200
59°F
SE
16 mph
16 mph
1500
63°F
SE
16 mph
16 mph
1800
57°F
SE
14 mph
14 mph
