Current sea water temperature:
+56.5°F
| Minimum sea water temperature in June: | 68.4°F |
| Maximum sea water temperature in June: | 48.0°F |
| Average sea water temperature in June: | 58.3°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| June 26 | 56.5°F | June 21 | 58.3°F |
| June 25 | 60.3°F | June 20 | 54.3°F |
| June 24 | 57.6°F | June 19 | 53.8°F |
| June 23 | 57.6°F | June 18 | 50.7°F |
| June 22 | 55.0°F | June 17 | 52.5°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
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: 02:58
June 27, saturday
0300
57°F
NE
5 mph
5 mph
0600
55°F
E
4 mph
4 mph
0900
55°F
E
3 mph
3 mph
1200
61°F
SE
3 mph
3 mph
1500
63°F
S
6 mph
6 mph
1800
61°F
SW
6 mph
6 mph
2100
57°F
W
6 mph
6 mph
June 28, sunday
0000
55°F
W
6 mph
6 mph
