August weather forecastStephenville, Canada
August
Weather in August
The last month of the summer, August, is another refreshing month in Stephenville, Canada, with an average temperature ranging between min 13.6°C (56.5°F) and max 19.9°C (67.8°F).Temperature
The month of August sees the highest average temperatures, reaching 19.9°C (67.8°F) at the peak and 13.6°C (56.5°F) at the low.Humidity
In Stephenville, the average relative humidity in August is 81%.Rainfall
In Stephenville, in August, during 14.3 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Stephenville, Canada, during the entire year, the rain falls for 126.7 days and collects up to 629mm (24.76") of precipitation.Snowfall
In Stephenville, snow does not fall in June through September.Sea temperature
The month with the warmest seawater is August, with an average sea temperature of 15.5°C (59.9°F).Note: Most individuals do not find swimming at 15.5°C (59.9°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
In Stephenville, the average length of the day in August is 14h and 17min.On the first day of August in Stephenville, sunrise is at 5:59 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 8:07 pm NDT.
Sunshine
August has the most sunshine of the year, with an average of 8.7h of sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in August transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Stephenville, Canada
- Average high temperature in August: 19.9°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The month with the lowest average high temperature is February (-3.1°C).
- Average low temperature in August: 13.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure in August
Stephenville, Canada
- Average pressure in August: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is January (1008.6mbar).
Average wind speed in August
Stephenville, Canada
- Average wind speed in August: 15.5km/h
The windiest month (with the highest average wind speed) is January (24.8km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in August
Stephenville, Canada
- Average humidity in August: 81%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in August
Stephenville, Canada
- Average rainfall in August: 53mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is March (41mm).
Average rainfall days in August
Stephenville, Canada
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in August
Stephenville, Canada
- Average snowfall in August: 0mm
The month with the highest snowfall is February (143mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Stephenville, Canada
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Stephenville, Canada
- Average sea temperature in August: 15.5°C
The best month for swimming (with the highest average sea temperature) is August (15.5°C).
The coldest month (with the lowest average sea temperature) is March (-0.3°C).
Average daylight in August /
Average sunshine in August
Stephenville, Canada
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 8h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in August
Stephenville, Canada
- Average sunshine days in August: 14.6 days
The month with the most sunshine days is June (16.1 days).
The month with the least sunshine days is February (9 days).
Average UV index in August
Stephenville, Canada
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in August
Stephenville, Canada
- Average cloud cover in August: 42
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in August
Stephenville, Canada
- Average visibility in August: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
