Measurements:
°C
°F
Rocky Harbour
62°F
NW 8 mph
Feels like: 62°F
Precip: 40%
World Resorts Canada Rocky Harbour Weather

Rocky Harbour Sea Water Temperature

Current Sea Water Temperature:
+63.2°F
Maximum Sea Water Temperature in August: 71.2°F
Minimum Sea Water Temperature in August: 60.0°F
Average water temperature in August: 65.6°F

Sea Water Temperature for the Last 10 Days:

August 19 63.2°F August 14 61.8°F
August 18 63.2°F August 13 63.0°F
August 17 63.4°F August 12 62.6°F
August 16 62.0°F August 11 62.6°F
August 15 62.4°F August 10 62.2°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Rocky Harbour was 61.8°F. The maximum and minimum values were 60.0°F and 63.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Rocky Harbour was 56.9°F. The maximum and minimum values were 52.0°F and 61.4°F respectively.

Best Time to Visit Rocky Harbour
The most sunny months:
July 6 days
August 6 days
June 5 days
The most warm months:
August 68.6 °F
July 68.4 °F
June 60.9 °F
Warmest sea temperature:
August 66.1 °F
September 61.7 °F
July 60.2 °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: 11:45
19 aug, wednesday
1200 62°F
NW
8 mph
1500 64°F
NW
8 mph
1800 64°F
NW
9 mph
2100 62°F
NW
9 mph
20 aug, thursday
0000 62°F
NW
11 mph
0300 64°F
N
8 mph
0600 64°F
NE
4 mph
0900 64°F
NE
4 mph