Measurements:
°C
°F
Charlottetown
74°F
N 6 mph
Feels like: 74°F
Precip: 87%
World Resorts Canada Charlottetown Weather

7 Day Weather Forecast

08.19
wed
DAY
74°F
N 6 mph
precip
87%
NIGHT
66°F
E 10 mph
precip
18%
08.20
thu
DAY
74°F
NE 8 mph
precip
17%
NIGHT
62°F
SW 6 mph
precip
59%
08.21
fri
DAY
72°F
S 4 mph
precip
12%
NIGHT
58°F
W 2 mph
precip
41%
08.22
sat
DAY
72°F
S 6 mph
precip
2%
NIGHT
58°F
NW 7 mph
precip
23%
08.23
sun
DAY
68°F
NW 11 mph
precip
17%
NIGHT
60°F
W 19 mph
precip
80%
08.24
mon
DAY
78°F
N 20 mph
precip
25%
NIGHT
66°F
NE 16 mph
precip
7%
08.25
tue
DAY
70°F
E 14 mph
precip
4%
NIGHT
60°F
NE 6 mph
precip
25%

Charlottetown Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Charlottetown was 21.3°F. The maximum and minimum values were 19.5°F and 23.2°F respectively.

Charlottetown on the Weather Map

Best Time to Visit Charlottetown
The most sunny months:
August 11 days
July 9 days
May 9 days
The most warm months:
August 74.6 °F
July 74.3 °F
September 67.2 °F
Warmest sea temperature:
August 71.3 °F
July 68.4 °F
September 66.5 °F
The most cold months:
February 22.0 °F
January 22.9 °F
March 30.6 °F
The most rainy months:
November 5 days
September 4 days
April 3 days
The most windy months:
November 14 mph
December 14 mph
January 12 mph