August weather forecastTrenton, IL
August
Weather in August
The last month of the summer, August, is another warm month in Trenton, Illinois, with an average temperature varying between 65.8°F (18.8°C) and 83.8°F (28.8°C).Temperature
With the advent of August, Trenton's high-temperatures adjust to a still warm 83.8°F (28.8°C), closely aligning with the preceding month. An average minimum temperature of 65.8°F (18.8°C) marks the month of August.Heat index
August's average heat index is estimated at a tropical 93.2°F (34°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In August, the average relative humidity is 79%.Rainfall
In Trenton, in August, during 13.7 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, in Trenton, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Trenton, the average length of the day in August is 13h and 37min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:29 pm CDT.
Sunshine
In Trenton, the average sunshine in August is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in August leads to these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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 effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Trenton, IL
- Average high temperature in August: 83.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in August
Trenton, 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
Trenton, IL
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Trenton, IL
- Average humidity in August: 79%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Trenton, IL
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in August
Trenton, IL
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in August
Trenton, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Trenton, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.5 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
Trenton, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in August
Trenton, IL
- Average sunshine days in August: 14.9 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in August
Trenton, 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, November and December (UV index 2).
Average cloud cover in August
Trenton, IL
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in August
Trenton, 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).
