Rocky Harbour (NL) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Rocky Harbour.

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

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.

  • 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 (NL) 3-Day Forecast

Rocky Harbour on the map

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