World Resorts Canada Summerside Weather

Summerside sea water temperature

Current sea water temperature:
+45.5°F
Minimum sea water temperature in October: 63.5°F
Maximum sea water temperature in October: 45.5°F
Average sea water temperature in October: 56.9°F

Sea water temperature for the last 10 days:

October 25 45.5°F October 20 47.3°F
October 24 49.8°F October 19 48.9°F
October 23 50.0°F October 18 52.5°F
October 22 50.4°F October 17 54.1°F
October 21 48.2°F October 16 53.8°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.

Best time for vacation in Summerside

Sunniest months:
August 12 days
May 10 days
July 10 days
Warmest months:
August 71.4 °F
July 70.8 °F
September 63.6 °F
Warmest sea temp:
August 70.4 °F
July 68.6 °F
September 65.1 °F
Coldest months:
February 23.4 °F
January 24.4 °F
March 31.1 °F
Rainiest months:
August 3 days
June 3 days
September 3 days
Windiest months:
November 16.4 mph
December 16.2 mph
January 14.3 mph

Summerside on a weather map

Summerside
+50°F
NE 14 mph
Feels like: +45°F
Precip.: 7%
Places in Canada:
Name
°F
+50°F
+48°F
+34°F
+46°F
+45°F
+48°F
+50°F
+45°F
+55°F
+46°F
+41°F
+48°F
+48°F
+57°F
24 Hours Forecast
Summerside
Local time: 21:50
October 26, monday
0000
48°F
NE
15 mph
0300
48°F
NE
16 mph
0600
46°F
NE
14 mph
0900
46°F
NE
14 mph
1200
52°F
NE
14 mph
1500
52°F
E
14 mph
1800
50°F
E
12 mph
2100
50°F
SE
12 mph
Units of measurement: °C / °F