Measurements:
°C
°F
Rocky Harbour
34°F
N 14 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Rocky Harbour Weather

Rocky Harbour Sea Water Temperature

Current Sea Water Temperature:
+28.8°F
Maximum Sea Water Temperature in March: 32.2°F
Minimum Sea Water Temperature in March: 28.2°F
Average water temperature in March: 30.1°F

Sea Water Temperature for the Last 10 Days:

March 09 28.8°F March 04 29.8°F
March 08 29.2°F March 03 28.8°F
March 07 29.0°F March 02 29.0°F
March 06 29.4°F March 01 29.2°F
March 05 29.4°F February 28 29.4°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 19.7 °F
January 21.3 °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
January 9 mph
November 8 mph

Rocky Harbour on the Weather Map

Canada Resorts:
NAME
Halifax +40
Kingston +44
Moncton +40
Montreal +50
Niagara Falls +56
Ottawa +46
Prince Edward Island +38
Quebec +42
Saint John +36
St. John's +32
Sydney +34
Toronto +54
Vancouver +38
Victoria +40
Winnipeg 0
24 Hours Weather Forecast
Rocky Harbour
Local time: 23:55
10 mar, tuesday
0000 34°F
N
14 mph
0300 38°F
NE
19 mph
0600 36°F
NE
23 mph
0900 34°F
NE
25 mph
1200 30°F
E
16 mph
1500 28°F
E
12 mph
1800 24°F
E
9 mph
2100 22°F
E
8 mph