Measurements:
°C
°F
Prince Edward Island
58°F
S 17 mph
Feels like: 54°F
Precip: 25%
World Resorts Canada Prince Edward Island Weather

Prince Edward Island Sea Water Temperature

Current Sea Water Temperature:
+64.2°F
Maximum Sea Water Temperature in September: 73.0°F
Minimum Sea Water Temperature in September: 58.2°F
Average water temperature in September: 65.7°F

Sea Water Temperature for the Last 10 Days:

September 08 64.2°F September 03 68.4°F
September 07 67.0°F September 02 68.8°F
September 06 67.6°F September 01 69.0°F
September 05 68.0°F August 31 69.8°F
September 04 68.4°F August 30 69.6°F

When is the Warmest Sea for Prince Edward Island?

According to our data for the last three years for Prince Edward Island 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 Prince Edward Island was 70.5°F. The maximum and minimum values were 67.0°F and 72.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Prince Edward Island was 66.4°F. The maximum and minimum values were 58.8°F and 69.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Prince Edward Island was 66.6°F. The maximum and minimum values were 61.8°F and 70.0°F respectively.

Best Time to Visit Prince Edward Island
The most sunny months:
August 12 days
September 11 days
October 11 days
The most warm months:
August 74.5 °F
July 73.9 °F
September 66.2 °F
Warmest sea temperature:
August 71.0 °F
July 68.0 °F
September 65.7 °F
The most cold months:
February 21.1 °F
January 22.1 °F
March 29.5 °F
The most rainy months:
November 4 days
August 3 days
October 3 days
The most windy months:
November 15 mph
December 15 mph
January 13 mph

Prince Edward Island on the Weather Map

24 Hours Weather Forecast
Prince Edward Island
Local time: 17:59
08 sep, tuesday
1800 58°F
S
17 mph
2100 52°F
S
14 mph
09 sep, wednesday
0000 50°F
SE
13 mph
0300 52°F
S
11 mph
0600 54°F
S
11 mph
0900 56°F
S
9 mph
1200 60°F
S
7 mph
1500 62°F
NE
4 mph