Measurements:
°C
°F
Rocky Harbour
24°F
NW 8 mph
Feels like: 14°F
Precip: 0%
World Resorts Canada Rocky Harbour Weather

Rocky Harbour Sea Water Temperature

Current Sea Water Temperature:
+32.6°F
Maximum Sea Water Temperature in April: 40.2°F
Minimum Sea Water Temperature in April: 27.0°F
Average water temperature in April: 32.5°F

Sea Water Temperature for the Last 10 Days:

April 19 32.6°F April 14 33.0°F
April 18 34.0°F April 13 32.8°F
April 17 36.8°F April 12 34.0°F
April 16 34.4°F April 11 33.6°F
April 15 34.4°F April 10 29.6°F

When is the Warmest Sea for Rocky Harbour?

According to our data for the last three years for Rocky Harbour the highest average sea water temperature was in August, September and July.

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 Rocky Harbour was 64.6°F. The maximum and minimum values were 61.8°F and 69.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Rocky Harbour was 62.0°F. The maximum and minimum values were 58.8°F and 64.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Rocky Harbour was 60.5°F. The maximum and minimum values were 50.8°F and 64.4°F respectively.

Best Time to Visit Rocky Harbour
The most sunny months:
August 6 days
June 5 days
May 5 days
The most warm months:
July 68.8 °F
August 68.6 °F
June 62.0 °F
Warmest sea temperature:
August 66.1 °F
September 61.7 °F
July 60.8 °F
The most cold months:
February 19.7 °F
January 21.3 °F
March 25.3 °F
The most rainy months:
November 6 days
July 5 days
June 5 days
The most windy months:
December 9 mph
March 9 mph
January 9 mph

Rocky Harbour on the Weather Map

24 Hours Weather Forecast
Rocky Harbour
Local time: 06:12
19 apr, sunday
0900 34°F
NW
7 mph
1200 36°F
NW
10 mph
1500 42°F
NW
12 mph
1800 40°F
NW
12 mph
2100 40°F
NW
12 mph
20 apr, monday
0000 40°F
NW
12 mph
0300 42°F
NW
12 mph
0600 44°F
NW
13 mph