Measurements:
°C
°F
Summerside
64°F
W 7 mph
Feels like: 64°F
Precip: 14%
World Resorts Canada Summerside Weather

7 Day Weather Forecast

07.30
thu
DAY
74°F
W 6 mph
precip
18%
NIGHT
64°F
SW 8 mph
precip
46%
07.31
fri
DAY
66°F
SW 4 mph
precip
50%
NIGHT
64°F
SE 7 mph
precip
45%
08.01
sat
DAY
66°F
SE 6 mph
precip
27%
NIGHT
66°F
N 11 mph
precip
15%
08.02
sun
DAY
74°F
NE 12 mph
precip
8%
NIGHT
66°F
N 14 mph
precip
12%
08.03
mon
DAY
74°F
N 15 mph
precip
21%
NIGHT
68°F
N 11 mph
precip
74%
08.04
tue
DAY
70°F
NE 12 mph
precip
12%
NIGHT
64°F
NE 10 mph
precip
28%
08.05
wed
DAY
68°F
SE 6 mph
precip
23%
NIGHT
68°F
N 9 mph
precip
12%

Summerside Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Summerside was 19.6°F. The maximum and minimum values were 16.6°F and 21.8°F respectively.

Summerside on the Weather Map

Best Time to Visit Summerside
The most sunny months:
August 12 days
May 10 days
July 10 days
The most warm months:
August 73.5 °F
July 73.2 °F
September 65.8 °F
Warmest sea temperature:
August 72.5 °F
July 70.6 °F
September 67.1 °F
The most cold months:
February 20.5 °F
January 21.6 °F
March 29.0 °F
The most rainy months:
August 3 days
June 3 days
September 3 days
The most windy months:
November 16 mph
December 16 mph
January 14 mph