World Resorts Canada Summerside Weather

Summerside 7 Days Forecast

17.05
sun
Day
64°F
E 13 mph
Precip.
0%
Night
46°F
SE 16 mph
Precip.
0%
18.05
mon
Day
50°F
SE 11 mph
Precip.
0%
Night
46°F
NE 9 mph
Precip.
0%
19.05
tue
Day
54°F
NE 9 mph
Precip.
0%
Night
52°F
N 9 mph
Precip.
0%
20.05
wed
Day
66°F
E 16 mph
Precip.
0%
Night
50°F
SE 17 mph
Precip.
0%
21.05
thu
Day
46°F
SE 18 mph
Precip.
0%
Night
45°F
SE 12 mph
Precip.
0%
22.05
fri
Day
48°F
E 13 mph
Precip.
0%
Night
48°F
NE 12 mph
Precip.
0%
23.05
sat
Day
43°F
NW 9 mph
Precip.
100%
Night
43°F
NW 4 mph
Precip.
77%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 44.5°F. The highest and lowest sea temperatures during the month were 48.0°F and 41.0°F.

Air temperature in Summerside, °F

Precipitation total in Summerside, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Summerside

Sunniest months:
August 12 days
September 10 days
May 9 days
Warmest months:
August 71.1 °F
July 70.6 °F
September 64.2 °F
Warmest sea temp:
August 70.3 °F
July 68.8 °F
September 65.4 °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
+66°F
S 19 mph
Feels like: +66°F
Precip.: 0%
Places in Canada:
Name
°F
+46°F
+61°F
+63°F
+57°F
+75°F
+64°F
+75°F
+77°F
+73°F
+61°F
+52°F
+84°F
+55°F
24 Hours Forecast
Summerside
Local time: 16:58
May 17, sunday
1800
66°F
S
19 mph
2100
54°F
SE
17 mph
May 18, monday
0000
46°F
SE
16 mph
0300
45°F
E
12 mph
0600
45°F
SE
13 mph
0900
46°F
SE
12 mph
1200
50°F
SE
11 mph
1500
52°F
SE
5 mph
Units of measurement: °C / °F