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
With an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 57.9°F (14.4°C), August is the warmest month.Humidity
In Sioux, the average relative humidity in August is 77%.Rainfall
In Sioux, in August, during 13.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 127.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Sioux, the average length of the day in August is 14h and 8min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:44 pm CDT.
Sunshine
The average sunshine in August is 10.3h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in August translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
What is the usual temperature for Sioux in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Sioux have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Sioux have in August?
What is the UV index intensity in August?
Average temperature in August
Sioux, WI
- Average high temperature in August: 72.5°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Sioux, WI
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Sioux, WI
- Average wind speed in August: 7.3mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in August
Sioux, WI
- Average humidity in August: 77%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Sioux, WI
- Average rainfall in August: 1.93"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in August
Sioux, WI
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Sioux, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sioux, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sioux, WI
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in August
Sioux, WI
- Average sunshine days in August: 14.9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in August
Sioux, 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, November and December (UV index 1).
Average cloud cover in August
Sioux, WI
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Sioux, WI
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Sioux, Wisconsin, USA
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