August weather forecastCarterville, MO
August
Weather in August
August, the last month of the summer in Carterville, is another tropical month, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 67.6°F (19.8°C).Temperature
The shift into August uncovers an average high-temperature of a still tropical 87.1°F (30.6°C), subtly different from the previous month. Carterville records a mean low-temperature of 67.6°F (19.8°C) in August.Heat index
Throughout August, the heat index is appraised at a fiery hot 98.6°F (37°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in August is 72%.Rainfall
In Carterville, in August, it is raining for 14.7 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 143.4 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
In Carterville, snow does not fall in April, June through October.Daylight
In August, the average length of the day is 13h and 32min.On the first day of August, sunrise is at 6:23 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:47 pm CDT.
Sunshine
In Carterville, the average sunshine in August is 10.5h.UV index
In Carterville, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Ward off overexposure. Defence against solar harm is crucial. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Carterville, MO
- Average high temperature in August: 87.1°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in August: 67.6°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in August
Carterville, MO
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Carterville, MO
- Average wind speed in August: 7.3mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in August
Carterville, MO
- Average humidity in August: 72%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Carterville, MO
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in August
Carterville, MO
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and December (6.8 days).
Average snowfall in August
Carterville, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in August
Carterville, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Carterville, MO
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in August
Carterville, MO
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in August
Carterville, MO
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Carterville, MO
- Average cloud cover in August: 25
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in August
Carterville, MO
- 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).
