Current sea water temperature:
+31.5°F
| Minimum sea water temperature in April: | 43.3°F |
| Maximum sea water temperature in April: | 31.5°F |
| Average sea water temperature in April: | 36.9°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| April 6 | 31.5°F | April 1 | 32.9°F |
| April 5 | 31.8°F | March 31 | 33.6°F |
| April 4 | 32.0°F | March 30 | 30.0°F |
| April 3 | 32.2°F | March 29 | 30.7°F |
| April 2 | 32.5°F | March 28 | 31.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Summerside?
Based on the data about daily sea water temperature for the last three years the warmest sea in Summerside was noticed in August, July and September.
Monthly Sea Temperatures in Summerside, °F
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.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 74.1°F and 62.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 70.0°F and 61.3°F.
current
weather
weather
| Summerside |
weather in
April
April
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 20:24
April 06, monday
2100

32°F
E
17 mph
17 mph
April 07, tuesday
0000

30°F
E
19 mph
19 mph
0300

28°F
E
19 mph
19 mph
0600

28°F
E
19 mph
19 mph
0900

28°F
E
20 mph
20 mph
1200

28°F
E
17 mph
17 mph
1500

30°F
SE
14 mph
14 mph
1800

32°F
SE
12 mph
12 mph





























