August weather forecastWaterloo, Canada
August
Weather in August
August in Waterloo sustains July's warmth, with temperatures marginally dipping from the July peak. By this time, the summer's heat has thoroughly seeped into the city, maintaining a warm atmosphere. Visitors and locals continue to enjoy a vibrant outdoor experience. However, towards the end of the month, there is a slight decrease in daylight hours, signaling the approach of autumn. Despite this gradual shift, Waterloo city remains bathed in summer's warmth through August.Temperature
Transitioning into August, Waterloo experiences an average high-temperature of a still moderately hot 24°C (75.2°F), marking a minor shift from the preceding month. Waterloo records an average nighttime low of 14.3°C (57.7°F) in August.Humidity
In Waterloo, the average relative humidity in August is 81%.Rainfall
In Waterloo, Canada, during August, the rain falls for 17.2 days and regularly aggregates up to 58mm (2.28") of precipitation. In Waterloo, during the entire year, the rain falls for 157.6 days and collects up to 681mm (26.81") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 55min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:44 pm. On the last day of August, sunrise is at 6:45 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in August is 9.7h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Waterloo. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Waterloo, Canada
- Average high temperature in August: 24°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in August: 14.3°C
The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).
Average pressure in August
Waterloo, Canada
- Average pressure in August: 1014.6mbar
The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in August
Waterloo, Canada
- Average wind speed in August: 11.3km/h
The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).
Average humidity in August
Waterloo, Canada
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in August
Waterloo, Canada
- Average rainfall in August: 58mm
The wettest month (with the highest rainfall) is October (71mm).
The driest month (with the least rainfall) is September (37mm).
Average rainfall days in August
Waterloo, Canada
- Average rainfall days in August: 17.2 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in August
Waterloo, Canada
- Average snowfall in August: 0mm
The month with the highest snowfall is February (164mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Waterloo, Canada
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Waterloo, Canada
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in August
Waterloo, Canada
- Average sunshine days in August: 9.9 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in August
Waterloo, Canada
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Waterloo, Canada
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in August
Waterloo, Canada
- Average visibility in August: 8km
The months with the highest visibility are April, May, June, July and October (9km).
The month with the lowest visibility is January (7km).
