Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's commencement is accompanied by an average high-temperature of a still warm 78.4°F (25.8°C), diverging marginally from July's 79.9°F (26.6°C). Ontario observes an average nighttime low-temperature of 58.5°F (14.7°C) during the month of August.Humidity
In Ontario, Wisconsin, the average relative humidity in August is 79%.Rainfall
In Ontario, during August, the rain falls for 13 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Ontario, during the entire year, the rain falls for 131.7 days and collects up to 27.83" (707mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 56min.On the first day of August in Ontario, sunrise is at 5:52 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:39 pm CDT.
Sunshine
In Ontario, the average sunshine in August is 9.7h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in Ontario in August?
What is the average humidity in August in Ontario?
How many days does it rain in August in Ontario?
When it does not snow in Ontario?
How many hours of daylight does Ontario have in August?
When is the sunrise / sunset in August in Ontario?
How many hours of sunshine does Ontario have in August?
How high is the UV index in August in Ontario?
Average temperature in August
Ontario, WI
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in August: 58.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in August
Ontario, WI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Ontario, WI
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Ontario, WI
- Average humidity in August: 79%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Ontario, WI
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in August
Ontario, WI
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in August
Ontario, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Ontario, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Ontario, WI
- Average daylight in August: 13h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Ontario, WI
- Average sunshine days in August: 15.7 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Ontario, WI
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Ontario, WI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Ontario, WI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Ontario, Wisconsin, USA
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