Harbour Breton Weather in August
What's the weather like in Harbour Breton (Newfoundland and Labrador) in August 2025?
The climate in Harbour Breton during August can be summarized as mild and damp.
August is in the summer in Harbour Breton and is typically the warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 20°C 68°F |
|---|---|
| Nightly temperature | 10.7°C 51.2°F |
| Average temperature | 15.3°C 59.6°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 115 mm 4.5 ins |
| Rainy days | 14 days |
| Sea temperature | 15.7°C 60.3°F |
| Humidity | 87% |
| Windspeed | 17.8kph 11 mph |
On average August is the 3rd driest month of the year in Harbour Breton with around 115mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
August temperatures in Harbour Breton
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Harbour Breton in August 2025.
Other monthly averages
Best places to visit in August
Harbour Breton weather stats
| Hottest month: | August | 19.8°C 67.6°F |
|---|---|---|
| Driest month: | July | 107mm 4.2ins |
| Sunniest month: | August | 5.9hrs |
| Coldest month: | February | -1.9°C 28.6°F |
| Wettest month: | November | 160mm 6.3ins |
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