Current sea water temperature:
+69.1°F
| Minimum sea water temperature in July: | 74.8°F |
| Maximum sea water temperature in July: | 60.4°F |
| Average sea water temperature in July: | 68.6°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| July 17 | 69.1°F | July 12 | 67.3°F |
| July 16 | 68.7°F | July 11 | 67.6°F |
| July 15 | 68.4°F | July 10 | 69.1°F |
| July 14 | 68.7°F | July 9 | 69.8°F |
| July 13 | 68.7°F | July 8 | 68.2°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 61.9°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
July
July
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 08:26
July 17, friday
0900
57°F
E
19 mph
19 mph
1200
61°F
E
18 mph
18 mph
1500
66°F
E
19 mph
19 mph
1800
64°F
SE
8 mph
8 mph
2100
61°F
N
11 mph
11 mph
July 18, saturday
0000
63°F
E
16 mph
16 mph
0300
61°F
E
14 mph
14 mph
0600
59°F
E
13 mph
13 mph
