Measurements:
°C
°F
Charlottetown
64°F
NW 6 mph
Feels like: 64°F
Precip: 15%
World Resorts Canada Charlottetown Weather

Charlottetown Sea Water Temperature

Current Sea Water Temperature:
+70.2°F
Maximum Sea Water Temperature in July: 76.0°F
Minimum Sea Water Temperature in July: 60.0°F
Average water temperature in July: 68.3°F

Sea Water Temperature for the Last 10 Days:

July 30 70.2°F July 25 66.6°F
July 29 71.6°F July 24 67.8°F
July 28 70.0°F July 23 65.4°F
July 27 69.6°F July 22 66.0°F
July 26 68.2°F July 21 66.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Charlottetown was 67.0°F. The maximum and minimum values were 62.6°F and 71.6°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
July 9 days
May 9 days
The most warm months:
August 74.6 °F
July 74.4 °F
September 67.2 °F
Warmest sea temperature:
August 71.3 °F
July 68.3 °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

Charlottetown on the Weather Map

Canada Resorts:
NAME
Barrie +58
Halifax +64
Kingston +66
Montreal +66
Ottawa +66
Prince Edward Island +64
Quebec +62
Saint John +64
St. John's +54
Sydney +58
Toronto +62
Vancouver +58
Victoria +56
Winnipeg +76
Yellowknife +54
24 Hours Weather Forecast
Charlottetown
Local time: 06:06
30 jul, thursday
0900 68°F
W
9 mph
1200 72°F
SW
8 mph
1500 62°F
SW
13 mph
1800 64°F
SW
12 mph
2100 64°F
W
9 mph
31 jul, friday
0000 64°F
W
9 mph
0300 64°F
W
6 mph
0600 64°F
W
5 mph