Measurements:
°C
°F
Charlottetown
56°F
NE 2 mph
Feels like: 56°F
Precip: 15%
World Resorts Canada Charlottetown Weather

Charlottetown Sea Water Temperature

Current Sea Water Temperature:
+56.2°F
Maximum Sea Water Temperature in June: 69.8°F
Minimum Sea Water Temperature in June: 44.6°F
Average water temperature in June: 57.1°F

Sea Water Temperature for the Last 10 Days:

June 17 56.2°F June 12 53.8°F
June 16 52.6°F June 11 52.4°F
June 15 51.2°F June 10 56.8°F
June 14 49.6°F June 09 52.4°F
June 13 53.4°F June 08 51.0°F

When is the Warmest Sea for Charlottetown?

According to our data for the last three years for Charlottetown the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Charlottetown was 71.0°F. The maximum and minimum values were 69.0°F and 75.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Charlottetown was 67.9°F. The maximum and minimum values were 62.6°F and 73.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Charlottetown was 67.5°F. The maximum and minimum values were 62.6°F and 71.8°F respectively.

Best Time to Visit Charlottetown
The most sunny months:
August 11 days
September 9 days
May 9 days
The most warm months:
August 74.6 °F
July 74.0 °F
September 67.2 °F
Warmest sea temperature:
August 71.3 °F
July 68.6 °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
July 4 days
The most windy months:
November 14 mph
December 14 mph
January 12 mph

Charlottetown on the Weather Map

Canada Resorts:
NAME
Halifax +66
Kingston +62
Montreal +68
Ottawa +64
Prince Edward Island +56
Quebec +66
Saint John +60
Sydney +60
Thunder Bay +56
Tofino +56
Toronto +64
Vancouver +58
Victoria +54
Winnipeg +64
Yellowknife +54
24 Hours Weather Forecast
Charlottetown
Local time: 10:27
17 jun, wednesday
1200 70°F
NE
3 mph
1500 76°F
SE
2 mph
1800 72°F
W
5 mph
2100 58°F
NW
6 mph
18 jun, thursday
0000 56°F
NW
4 mph
0300 54°F
N
2 mph
0600 56°F
NE
3 mph
0900 62°F
NE
6 mph