Measurements:
°C
°F
CURRENT WEATHER
10:18
Summerside
52°F
N 10 mph
Feels like: 48°F
Precip: 0%
World Resorts Canada Summerside Weather

7 Day Weather Forecast

05.19
tue
DAY
62°F
N 12 mph
precip
0%
NIGHT
50°F
N 4 mph
precip
0%
05.20
wed
DAY
68°F
E 14 mph
precip
0%
NIGHT
52°F
SE 22 mph
precip
0%
05.21
thu
DAY
46°F
SE 22 mph
precip
0%
NIGHT
44°F
E 16 mph
precip
0%
05.22
fri
DAY
48°F
E 16 mph
precip
0%
NIGHT
44°F
NE 8 mph
precip
0%
05.23
sat
DAY
46°F
S 14 mph
precip
0%
NIGHT
42°F
NE 3 mph
precip
0%
05.24
sun
DAY
52°F
SE 6 mph
precip
0%
NIGHT
48°F
N 8 mph
precip
0%
05.25
mon
DAY
58°F
NE 8 mph
precip
0%
NIGHT
48°F
NE 14 mph
precip
0%

Summerside Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Summerside was 7.2°F. The maximum and minimum values were 5.0°F and 9.7°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
more details