Average sea water temperature in April:
+33.4°F
| Minimum sea water temperature in April: | 36.7°F |
| Maximum sea water temperature in April: | 31.3°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 32.7°F. The highest and lowest sea temperatures during the month were 34.7°F and 31.5°F.
sea water
temperature
temperature
| St. John's |
monthly
weather
weather
| St. John's |
current
weather
weather
| St. John's |
14 days
forecast
forecast
| St. John's |
Monthly sea water temperature in St. John's, °F
Which Canada resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Surrey | 50.9°F | 51.4°F |
| North Vancouver | 49.9°F | 49.4°F |
| Vancouver | 49.8°F | 49.3°F |
| Nanaimo | 49.7°F | 49.8°F |
| Tofino | 49.3°F | 49.5°F |
| Victoria | 47.9°F | 47.5°F |
| Windsor | 44.5°F | 44.0°F |
| Niagara Falls | 39.9°F | 37.8°F |
| Saint Andrews | 39.1°F | 39.0°F |
| Niagara-on-the-Lake | 39.0°F | 37.8°F |
| Montreal | 38.5°F | 39.5°F |
| Hamilton | 38.0°F | 39.4°F |
| Lunenburg | 37.7°F | 38.5°F |
| Oshawa | 37.6°F | 39.6°F |
| Halifax | 37.5°F | 37.5°F |
| Kingston | 37.4°F | 38.8°F |
| Mississauga | 37.2°F | 39.2°F |
| Saint John | 37.1°F | 37.1°F |
| Quebec | 36.9°F | 35.3°F |
| Toronto | 36.8°F | 38.8°F |
Best time for vacation in St. John's
St. John's on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 15:59
April 27, monday
1800

32°F
S
15 mph
15 mph
2100

27°F
S
9 mph
9 mph
April 28, tuesday
0000

25°F
SE
6 mph
6 mph
0300

25°F
SE
4 mph
4 mph
0600

28°F
SE
4 mph
4 mph
0900

34°F
SE
1 mph
1 mph
1200

39°F
NW
2 mph
2 mph
1500

39°F
NW
6 mph
6 mph




























