21.12
sun
sun
Day
36°F
N 25 mph
Precip.
0%
0%
Night
32°F
E 24 mph
Precip.
0%
0%
22.12
mon
mon
Day
25°F
SE 22 mph
Precip.
0%
0%
Night
19°F
SE 19 mph
Precip.
0%
0%
23.12
tue
tue
Day
19°F
SE 15 mph
Precip.
0%
0%
Night
19°F
SE 6 mph
Precip.
0%
0%
24.12
wed
wed
Day
23°F
S 7 mph
Precip.
0%
0%
Night
23°F
NE 5 mph
Precip.
0%
0%
25.12
thu
thu
Day
27°F
NE 12 mph
Precip.
0%
0%
Night
28°F
SE 7 mph
Precip.
0%
0%
26.12
fri
fri
Day
30°F
N 12 mph
Precip.
0%
0%
Night
41°F
N 25 mph
Precip.
100%
100%
27.12
sat
sat
Day
23°F
SE 32 mph
Precip.
82%
82%
Night
16°F
SE 30 mph
Precip.
70%
70%
28.12
sun
sun
Day
16°F
SE 25 mph
Precip.
20%
20%
Night
18°F
E 19 mph
Precip.
0%
0%
29.12
mon
mon
Day
21°F
E 19 mph
Precip.
0%
0%
Night
23°F
SE 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
27°F
NW 12 mph
Precip.
100%
100%
Night
32°F
W 16 mph
Precip.
100%
100%
31.12
wed
wed
Day
34°F
SW 13 mph
Precip.
21%
21%
Night
30°F
SW 8 mph
Precip.
88%
88%
01.01
thu
thu
Day
32°F
NE 9 mph
Precip.
0%
0%
Night
34°F
E 15 mph
Precip.
0%
0%
02.01
fri
fri
Day
27°F
S 22 mph
Precip.
0%
0%
Night
27°F
S 16 mph
Precip.
0%
0%
sea water
temperature
temperature
| Summerside |
monthly
weather
weather
| Summerside |
current
weather
weather
| Summerside |
7 days
forecast
forecast
| Summerside |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 35.6°F. The highest and lowest sea temperatures during the month were 39.7°F and 32.5°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 31.2°F. The highest and lowest sea temperatures during the month were 32.7°F and 29.8°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
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 00:11
December 21, sunday
0300
25°F
N
11 mph
11 mph
0600
27°F
N
19 mph
19 mph
0900
30°F
N
23 mph
23 mph
1200
36°F
N
25 mph
25 mph
1500
37°F
NE
22 mph
22 mph
1800
37°F
NE
11 mph
11 mph
2100
34°F
E
25 mph
25 mph
December 22, monday
0000
32°F
E
24 mph
24 mph
