August weather forecastSmithton, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Smithton, Illinois, with an average temperature ranging between max 84.6°F (29.2°C) and min 65.8°F (18.8°C).Temperature
August ushers in an average high-temperature of a moderately hot 84.6°F (29.2°C), aligning closely with the preceding month. Smithton's average low-temperature in August is measured at a comfortable 65.8°F (18.8°C).Heat index
In August, the heat index is calculated to be a torrid 95°F (35°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Note that heat index values are valued for light wind and location in the shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The average relative humidity in August is 78%.Rainfall
In Smithton, in August, during 9.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Smithton, there are 103.8 rainfall days, and 10.24" (260mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 37min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:30 pm CDT.
Sunshine
In Smithton, the average sunshine in August is 10.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 in August translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Smithton, IL
- Average high temperature in August: 84.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in August
Smithton, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Smithton, IL
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in August
Smithton, IL
- Average humidity in August: 78%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Smithton, IL
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in August
Smithton, IL
- Average rainfall days in August: 9.6 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is December (5.3 days).
Average snowfall in August
Smithton, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Smithton, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Smithton, IL
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in August
Smithton, IL
- Average sunshine days in August: 17.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in August
Smithton, IL
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Smithton, IL
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in August
Smithton, 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).
