Measurements:
°C
°F
Summerside
48°F
NE 12 mph
Feels like: 42°F
Precip: 0%
World Resorts Canada Summerside Weather

7 Day Weather Forecast

03.17
mon
DAY
50°F
NE 19 mph
precip
0%
NIGHT
46°F
N 11 mph
precip
0%
03.18
tue
DAY
30°F
S 17 mph
precip
0%
NIGHT
26°F
SW 11 mph
precip
0%
03.19
wed
DAY
30°F
S 11 mph
precip
0%
NIGHT
22°F
W 9 mph
precip
0%
03.20
thu
DAY
32°F
N 12 mph
precip
0%
NIGHT
34°F
N 21 mph
precip
0%
03.21
fri
DAY
34°F
NW 13 mph
precip
100%
NIGHT
34°F
SW 11 mph
precip
72%
03.22
sat
DAY
30°F
S 20 mph
precip
100%
NIGHT
28°F
S 32 mph
precip
100%
03.23
sun
DAY
30°F
SE 27 mph
precip
46%
NIGHT
22°F
S 15 mph
precip
0%

Summerside Sea Water Temperature in March, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
-6
-4
-2
0
2
4
6

The average sea surface temperature in March 2025 for Summerside was -1.0°F. The maximum and minimum values were -1.3°F and -0.3°F respectively.

Summerside on the Weather Map

Best Time to Visit Summerside
The most sunny months:
August 11 days
September 9 days
May 9 days
The most warm months:
August 73.4 °F
July 72.9 °F
September 65.5 °F
Warmest sea temperature:
August 72.5 °F
July 70.9 °F
September 66.9 °F
The most cold months:
February 20.1 °F
January 22.0 °F
March 29.0 °F
The most rainy months:
June 4 days
July 3 days
August 3 days
The most windy months:
November 16 mph
December 16 mph
January 14 mph