Measurements:
°C
°F
Prince Edward Island
6°F
SE 26 mph
Feels like: -14°F
Precip: 0%
World Resorts Canada Prince Edward Island Weather

Prince Edward Island Sea Water Temperature

Current Sea Water Temperature:
+39.4°F
Maximum Sea Water Temperature in December: 41.2°F
Minimum Sea Water Temperature in December: 31.2°F
Average water temperature in December: 36.0°F

Sea Water Temperature for the Last 10 Days:

December 04 39.4°F November 29 40.4°F
December 03 39.8°F November 28 40.4°F
December 02 40.0°F November 27 41.4°F
December 01 40.0°F November 26 41.0°F
November 30 40.4°F November 25 40.4°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Prince Edward Island was 68.3°F. The maximum and minimum values were 63.4°F and 73.6°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
October 11 days
September 11 days
The most warm months:
August 73.9 °F
July 73.5 °F
September 66.2 °F
Warmest sea temperature:
August 71.1 °F
July 68.3 °F
September 65.7 °F
The most cold months:
February 20.4 °F
January 22.3 °F
March 29.4 °F
The most rainy months:
November 4 days
August 3 days
June 3 days
The most windy months:
November 15 mph
December 14 mph
January 13 mph

Prince Edward Island on the Weather Map

24 Hours Weather Forecast
Prince Edward Island
Local time: 02:04
05 dec, friday
0300 6°F
SE
26 mph
0600 2°F
E
27 mph
0900 6°F
SE
25 mph
1200 14°F
E
23 mph
1500 20°F
E
23 mph
1800 22°F
E
21 mph
2100 16°F
E
18 mph
06 dec, saturday
0000 14°F
E
16 mph