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Rocky Harbour (NL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rocky Harbour.
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Climate overview of Rocky Harbour
Rocky Harbour, Newfoundland and Labrador, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 20°C (68°F) in August, while winters cool to -4°C (25°F) in February.
With around 1560 mm (61 in) of annual rain/snowfall, Rocky Harbour has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has pleasant summers and very cold winters. The wettest month is September.
Rocky Harbour Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rocky Harbour - and find the best time to visit.
Monthly Temperature in Rocky Harbour
Depending on the time of the year, temperatures range from pleasant to very cold in Rocky Harbour. Average daytime temperatures reach a pleasant 20°C (68°F) in August. In February, the coolest month of the year, temperatures drop to a very cold -4°C (25°F).
At night, temperatures range from around 12°C (54°F) in August to -12°C (10°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rocky Harbour
Rocky Harbour has a relatively rain/snowy climate with high precipitation levels, averaging 1560 mm (61 in) of rain/snowfall annually. Despite minor fluctuations, Rocky Harbour enjoys fairly consistent precipitation throughout the year. In September, you can expect around 155 mm (6.1 in) of precipitation, while in May, Rocky Harbour receives about 104 mm (4.1 in). For more details, please visit our Rocky Harbour Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Rocky Harbour
For comfortable weather, consider visiting Rocky Harbour in August. Conditions are usually least favourable in January, February, March, April, May, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
very cold
Apr
cold
May
wet
Jun
mixed
Jul
good
Aug
very good
Sep
mixed
Oct
wet
Nov
wet
Dec
cold
- Best overall: August
- Warmest weather: July and August
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: February, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Rocky Harbour
What is the best time to visit Rocky Harbour?
August typically offers the most optimal weather in Rocky Harbour. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Rocky Harbour has pleasant summers and very cold winters.
What temperatures can I expect in Rocky Harbour?
Daytime highs range from -4°C (25°F) in February to 20°C (68°F) in August. Nighttime lows range from -12°C (10°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Rocky Harbour get?
Annual rainfall is around 1560 mm (61 in). September is the wettest month with 155 mm (6.1 in), while May is the driest with 104 mm (4.1 in).
Rocky Harbour 3-Day Forecast
Rocky Harbour on the map
Rocky Harbour is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
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