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
As Huntsville welcomes August, the average high-temperature records at a still moderately hot 82.9°F (28.3°C), marking an insignificant deviation from the prior month. Huntsville records a mean low-temperature of 64.4°F (18°C) in August.Heat index
For most parts of August, the heat index is estimated at a tropical 91.4°F (33°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In August, the average relative humidity is 79%.Rainfall
In August, the rain falls for 12.2 days. Throughout August, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 132 rainfall days, and 22.17" (563mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 43min.On the first day of August in Huntsville, sunrise is at 6:02 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:36 pm CDT.
Sunshine
In August, the average sunshine is 9.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in August transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August?
What is the average humidity in August?
How many days does it rain in August in Huntsville?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Huntsville have in August?
What are the months with the highest UV index?
How high is the UV index in August?
Average temperature in August
Huntsville, IL
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in August
Huntsville, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Huntsville, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in August
Huntsville, IL
- Average humidity in August: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Huntsville, IL
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Huntsville, IL
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in August
Huntsville, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Huntsville, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.8 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
Huntsville, IL
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Huntsville, IL
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in August
Huntsville, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Huntsville, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in August
Huntsville, IL
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Huntsville, Illinois, USA
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