Current sea water temperature:
+30.6°F
| Minimum sea water temperature in January: | 34.3°F |
| Maximum sea water temperature in January: | 29.8°F |
| Average sea water temperature in January: | 31.7°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| January 13 | 30.6°F | January 8 | 30.6°F |
| January 12 | 30.9°F | January 7 | 30.9°F |
| January 11 | 31.1°F | January 6 | 31.3°F |
| January 10 | 30.2°F | January 5 | 31.5°F |
| January 9 | 30.6°F | January 4 | 31.5°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
January
January
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 02:08
January 14, wednesday
0300
28°F
N
11 mph
11 mph
0600
30°F
N
15 mph
15 mph
0900
32°F
N
19 mph
19 mph
1200
37°F
N
21 mph
21 mph
1500
39°F
NE
17 mph
17 mph
1800
39°F
NE
14 mph
14 mph
2100
37°F
N
14 mph
14 mph
January 15, thursday
0000
37°F
N
11 mph
11 mph
