Current sea water temperature:
+30.9°F
| Minimum sea water temperature in March: | 36.1°F |
| Maximum sea water temperature in March: | 28.8°F |
| Average sea water temperature in March: | 31.9°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| March 17 | 30.9°F | March 12 | 32.5°F |
| March 16 | 31.1°F | March 11 | 32.9°F |
| March 15 | 31.5°F | March 10 | 36.1°F |
| March 14 | 31.6°F | March 9 | 31.6°F |
| March 13 | 32.0°F | March 8 | 32.0°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
March
March
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 05:33
March 17, tuesday
0600
52°F
N
28 mph
28 mph
0900
54°F
N
30 mph
30 mph
1200
57°F
N
30 mph
30 mph
1500
50°F
NE
30 mph
30 mph
1800
45°F
NE
26 mph
26 mph
2100
36°F
NE
22 mph
22 mph
March 18, wednesday
0000
32°F
E
15 mph
15 mph
0300
27°F
E
17 mph
17 mph
