Measurements:
°C
°F
Summerside
28°F
SE 7 mph
Feels like: 20°F
Precip: 0%
World Resorts Canada Summerside Weather

7 Day Weather Forecast

04.21
tue
DAY
30°F
SE 9 mph
precip
0%
NIGHT
26°F
NW 8 mph
precip
0%
04.22
wed
DAY
34°F
NW 4 mph
precip
0%
NIGHT
30°F
N 9 mph
precip
100%
04.23
thu
DAY
32°F
W 4 mph
precip
100%
NIGHT
30°F
S 4 mph
precip
0%
04.24
fri
DAY
34°F
SE 6 mph
precip
81%
NIGHT
32°F
SE 11 mph
precip
0%
04.25
sat
DAY
34°F
S 20 mph
precip
0%
NIGHT
36°F
S 14 mph
precip
0%
04.26
sun
DAY
34°F
S 17 mph
precip
69%
NIGHT
32°F
S 10 mph
precip
0%
04.27
mon
DAY
36°F
SW 14 mph
precip
0%
NIGHT
30°F
W 6 mph
precip
0%

Summerside Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Summerside was 0.5°F. The maximum and minimum values were -0.4°F and 2.7°F respectively.

Summerside on the Weather Map

Best Time to Visit Summerside
The most sunny months:
August 12 days
September 10 days
May 9 days
The most warm months:
August 73.5 °F
July 72.9 °F
September 65.8 °F
Warmest sea temperature:
August 72.5 °F
July 70.9 °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