Average sea water temperature in August:
+70.3°F
| Minimum sea water temperature in August: | 75.7°F |
| Maximum sea water temperature in August: | 65.3°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 74.8°F and 67.3°F.
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Monthly sea water temperature in Summerside, °F
Which Canada resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Niagara-on-the-Lake | 74.7°F | 73.8°F |
| Montreal | 74.7°F | 74.6°F |
| Windsor | 74.3°F | 74.4°F |
| Hamilton | 73.8°F | 72.3°F |
| Mississauga | 73.4°F | 71.1°F |
| Toronto | 73.2°F | 70.9°F |
| Kingston | 73.2°F | 73.3°F |
| Quebec | 73.1°F | 72.2°F |
| Oshawa | 73.1°F | 70.4°F |
| Niagara Falls | 72.9°F | 71.7°F |
| Barrie | 72.6°F | 72.0°F |
| Summerside | 70.2°F | 70.6°F |
| Winnipeg | 69.0°F | 72.0°F |
| Charlottetown | 68.9°F | 70.3°F |
| Gimli | 68.6°F | 71.6°F |
| Prince Edward Island | 67.9°F | 70.8°F |
| Sydney | 67.5°F | 70.0°F |
| Les Iles-de-la-Madeleine | 65.4°F | 68.3°F |
| Surrey | 65.2°F | 64.2°F |
| North Vancouver | 65.0°F | 64.2°F |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 02:48
January 05, monday
0300
9°F
SE
14 mph
14 mph
0600
9°F
E
17 mph
17 mph
0900
9°F
E
19 mph
19 mph
1200
9°F
SE
17 mph
17 mph
1500
10°F
E
16 mph
16 mph
1800
10°F
E
13 mph
13 mph
2100
9°F
E
11 mph
11 mph
January 06, tuesday
0000
7°F
E
11 mph
11 mph
