August weather forecastRock Harbour, Canada
August
Weather in August
August, the last month of the summer in Rock Harbour, is an enjoyable month, with an average temperature ranging between min 16.2°C (61.2°F) and max 17.9°C (64.2°F).Temperature
August, noted for its average high-temperature of 17.9°C (64.2°F) and an average low-temperature of 16.2°C (61.2°F), is considered the warmest month.Humidity
The average relative humidity in August in Rock Harbour is 86%.Rainfall
In Rock Harbour, in August, during 13.3 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, in Rock Harbour, there are 140.2 rainfall days, and 719mm (28.31") of precipitation is accumulated.Snowfall
June through October are months without snowfall in Rock Harbour, Canada.Daylight
In Rock Harbour, the average length of the day in August is 14h and 11min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:43 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:51 pm NDT.
Sunshine
The month with the most sunshine is August, with an average of 8.3h of sunshine.UV index
August is the month with the highest UV index in Rock Harbour, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rock Harbour, Canada
- Average high temperature in August: 17.9°C
The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is February (-0.2°C).
- Average low temperature in August: 16.2°C
The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in August
Rock Harbour, Canada
- Average pressure in August: 1014.5mbar
The month with the highest atmospheric pressure is September (1015.9mbar).
The month with the lowest atmospheric pressure is February (1009.2mbar).
Average wind speed in August
Rock Harbour, Canada
- Average wind speed in August: 23.3km/h
The windiest month (with the highest average wind speed) is January (37.2km/h).
The calmest month (with the lowest average wind speed) is July (22.3km/h).
Average humidity in August
Rock Harbour, Canada
- Average humidity in August: 86%
The month with the highest relative humidity is July (89%).
The months with the lowest relative humidity are January, November and December (79%).
Average rainfall in August
Rock Harbour, Canada
- Average rainfall in August: 55mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (50mm).
Average rainfall days in August
Rock Harbour, Canada
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Rock Harbour, Canada
- Average snowfall in August: 0mm
The month with the highest snowfall is March (50mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in August
Rock Harbour, Canada
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rock Harbour, Canada
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 8h and 18min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in August
Rock Harbour, Canada
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in August
Rock Harbour, Canada
- Average UV index in August: 5
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in August
Rock Harbour, Canada
- Average cloud cover in August: 45
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are August and September (Cloud cover 45).
Average visibility in August
Rock Harbour, Canada
- Average visibility in August: 10km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (9km).





