August weather forecastScales Mound, IL
August
Weather in August
August in Scales Mound brings a slight reprieve from the July heat, with marginally lower temperatures. The city experiences improved visibility and less cloud cover, adding to the luster of summer. The rainfall slightly picks up, providing short spells of respite from the summer warmth. The wind speed decelerates, adding to the sultry feel of summer. August ends with a drop in number of rainfall days, indicating the arrival of a dryer season.Temperature
In Scales Mound, August's average high-temperature stands at a still warm 78.6°F (25.9°C), closely related to the preceding month. Scales Mound encounters a steady low-temperature average of 60.4°F (15.8°C) throughout the month of August.Humidity
In Scales Mound, the average relative humidity in August is 81%.Rainfall
In Scales Mound, during August, the rain falls for 14.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Scales Mound, Illinois, there are 153.1 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
In Scales Mound, snow does not fall in May through September.Daylight
The average length of the day in August in Scales Mound is 13h and 51min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:36 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 9.8h of sunshine.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 the average person.Note: The maximum UV index of 5 during August leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Scales Mound, IL
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in August
Scales Mound, IL
- Average pressure in August: 29.97"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
Scales Mound, IL
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Scales Mound, IL
- Average humidity in August: 81%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in August
Scales Mound, IL
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in August
Scales Mound, IL
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in August
Scales Mound, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Scales Mound, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Scales Mound, IL
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Scales Mound, IL
- Average sunshine days in August: 13.4 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in August
Scales Mound, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Scales Mound, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Scales Mound, IL
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





