Current sea water temperature:
+60.1°F
| Minimum sea water temperature in October: | 63.5°F |
| Maximum sea water temperature in October: | 49.8°F |
| Average sea water temperature in October: | 57.3°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| October 5 | 60.1°F | September 30 | 59.2°F |
| October 4 | 60.8°F | September 29 | 59.7°F |
| October 3 | 60.4°F | September 28 | 59.5°F |
| October 2 | 59.7°F | September 27 | 59.7°F |
| October 1 | 59.0°F | September 26 | 60.1°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.0°F. The highest and lowest sea temperatures during the month were 73.9°F and 66.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 61.9°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 63.1°F. The highest and lowest sea temperatures during the month were 69.6°F and 59.2°F.
current
weather
weather
| Summerside |
weather in
October
October
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 17:09
October 05, monday
1800

57°F
NE
15 mph
15 mph
2100

50°F
E
14 mph
14 mph
October 06, tuesday
0000

50°F
E
20 mph
20 mph
0300

48°F
E
22 mph
22 mph
0600

45°F
E
27 mph
27 mph
0900

45°F
E
29 mph
29 mph
1200

48°F
E
32 mph
32 mph
1500

50°F
E
34 mph
34 mph




























