World Resorts Canada Summerside Weather

Summerside weather in August

Weather in Summerside: August

Average day temperature: 71.5°F
Average night temperature: 63.3°F
Sea water temperature: 70.4°F
Number of sunny days: 12 days
Day length: 13.4 - 14.8 hours
Number of rainy days: 2 days
Precipitation totals: 1.6 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 83°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during August were 73.9°F and 64.0°F.

Sea water temperature in Summerside in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 70.9°F. The highest and lowest sea temperatures during the month were 73.9°F and 66.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Summerside in August is 1.5 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 11.2 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.9.

Best time for vacation in Summerside

Sunniest months:
August 12 days
May 10 days
July 10 days
Warmest months:
August 71.5 °F
July 70.8 °F
September 64.2 °F
Warmest sea temp:
August 70.4 °F
July 68.6 °F
September 65.4 °F
Coldest months:
February 23.4 °F
January 24.4 °F
March 31.1 °F
Rainiest months:
June 3 days
September 3 days
August 2 days
Windiest months:
November 16.4 mph
December 16.2 mph
January 14.3 mph

Summerside on a weather map

Summerside
+77°F
E 7 mph
Feels like: +79°F
Precip.: 4%
Places in Canada:
Name
°F
+72°F
+63°F
+63°F
+72°F
+73°F
+63°F
+70°F
+75°F
+77°F
+73°F
+59°F
+72°F
+70°F
+72°F
24 Hours Forecast
Summerside
Local time: 13:56
August 26, wednesday
1500
77°F
E
7 mph
1800
77°F
W
2 mph
2100
68°F
N
4 mph
August 27, thursday
0000
64°F
N
6 mph
0300
64°F
NE
6 mph
0600
63°F
NE
6 mph
0900
66°F
NE
7 mph
1200
72°F
NE
9 mph
Units of measurement: °C / °F