Measurements:
°C
°F
Rocky Harbour
16°F
E 5 mph
Feels like: 6°F
Precip: 0%
World Resorts Canada Rocky Harbour Weather

Rocky Harbour Sea Water Temperature

Current Sea Water Temperature:
+30.4°F
Maximum Sea Water Temperature in January: 36.0°F
Minimum Sea Water Temperature in January: 28.8°F
Average water temperature in January: 31.9°F

Sea Water Temperature for the Last 10 Days:

January 11 30.4°F January 06 31.8°F
January 10 28.8°F January 05 32.0°F
January 09 29.2°F January 04 33.0°F
January 08 30.0°F January 03 31.6°F
January 07 31.6°F January 02 30.2°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: 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
May 5 days
July 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 19.0 °F
January 21.7 °F
March 26.3 °F
The most rainy months:
November 6 days
July 5 days
June 5 days
The most windy months:
December 9 mph
November 8 mph
February 8 mph

Rocky Harbour on the Weather Map

Canada Resorts:
NAME
Halifax +34
Kingston +30
Montreal +32
Niagara Falls +30
Ottawa +26
Prince Edward Island +28
Quebec +20
Saint John +30
St. John's +26
Sydney +28
Toronto +28
Vancouver +44
Victoria +46
Winnipeg +4
Yellowknife -16
24 Hours Weather Forecast
Rocky Harbour
Local time: 11:39
11 jan, sunday
1200 16°F
E
5 mph
1500 18°F
NE
2 mph
1800 18°F
W
3 mph
2100 20°F
W
4 mph
12 jan, monday
0000 20°F
W
9 mph
0300 20°F
W
11 mph
0600 22°F
W
12 mph
0900 24°F
W
17 mph