Average sea water temperature in April:
+40.4°F
Minimum sea water temperature in April: | 44.6°F |
Maximum sea water temperature in April: | 37.0°F |
Daily sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
36
39
42
45
48
The average sea water temperature in April of 2025 was 39.3°F. The highest and lowest sea temperatures during the month were 42.4°F and 37.8°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 April?
Place name | April 2025 | April 2024 |
---|---|---|
Surrey | 51.0°F | 50.4°F |
Nanaimo | 49.4°F | 49.1°F |
Tofino | 49.3°F | 49.7°F |
North Vancouver | 49.0°F | 49.2°F |
Vancouver | 48.8°F | 49.1°F |
Victoria | 47.4°F | 48.0°F |
Windsor | 42.9°F | 46.2°F |
Oshawa | 39.3°F | 40.9°F |
Hamilton | 39.1°F | 40.8°F |
Mississauga | 38.8°F | 41.2°F |
Saint Andrews | 38.6°F | 41.0°F |
Toronto | 38.5°F | 40.8°F |
Kingston | 38.3°F | 40.9°F |
Montreal | 38.1°F | 42.8°F |
Lunenburg | 37.9°F | 40.1°F |
Halifax | 37.4°F | 39.3°F |
Niagara-on-the-Lake | 37.4°F | 41.6°F |
Niagara Falls | 37.0°F | 39.8°F |
Summerside | 36.8°F | 39.3°F |
Saint John | 36.6°F | 39.2°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: 21:08
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
2100

50°F
SE
12 mph
12 mph