Measurements:
°C
°F
Charlottetown
40°F
N 14 mph
Feels like: 30°F
Precip: 8%
World Resorts Canada Charlottetown Weather

Charlottetown Sea Water Temperature

Current Sea Water Temperature:
+51.4°F
Maximum Sea Water Temperature in October: 66.2°F
Minimum Sea Water Temperature in October: 48.6°F
Average water temperature in October: 58.3°F

Sea Water Temperature for the Last 10 Days:

October 19 51.4°F October 14 56.4°F
October 18 52.4°F October 13 56.0°F
October 17 53.0°F October 12 57.4°F
October 16 53.8°F October 11 57.6°F
October 15 55.0°F October 10 57.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Charlottetown was 72.0°F. The maximum and minimum values were 69.0°F and 76.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Charlottetown was 67.2°F. The maximum and minimum values were 62.6°F and 71.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Charlottetown was 63.5°F. The maximum and minimum values were 57.2°F and 70.6°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 75.1 °F
July 74.3 °F
September 66.5 °F
Warmest sea temperature:
August 71.4 °F
July 68.4 °F
September 66.1 °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
F°
Halifax +32
Moncton +36
Montreal +44
Nanaimo +48
Niagara Falls +50
Ottawa +40
Prince Edward Island +40
Quebec +38
Saint Andrews +46
St. John's +30
Sydney +32
Toronto +50
Vancouver +54
Victoria +50
Winnipeg +44
24 Hours Weather Forecast
Charlottetown
Local time: 05:15
19 oct, monday
0600 40°F
N
14 mph
0900 42°F
N
16 mph
1200 50°F
NE
19 mph
1500 54°F
NE
16 mph
1800 50°F
NE
17 mph
2100 48°F
NE
16 mph
20 oct, tuesday
0000 46°F
NE
11 mph
0300 44°F
NE
9 mph