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

Prince Edward Island Sea Water Temperature

Current Sea Water Temperature:
+68.8°F
Maximum Sea Water Temperature in July: 74.4°F
Minimum Sea Water Temperature in July: 58.8°F
Average water temperature in July: 68.0°F

Sea Water Temperature for the Last 10 Days:

July 30 68.8°F July 25 64.4°F
July 29 69.6°F July 24 66.0°F
July 28 68.4°F July 23 65.0°F
July 27 67.0°F July 22 65.0°F
July 26 65.0°F July 21 65.0°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Prince Edward Island was 69.9°F. The maximum and minimum values were 66.8°F and 75.0°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 66.3°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:
July 74.0 °F
August 73.9 °F
September 66.2 °F
Warmest sea temperature:
August 71.1 °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

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 +72
Yellowknife +54
24 Hours Weather Forecast
Prince Edward Island
Local time: 06:55
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