August weather forecastGilson, IL
August
Weather in August
August, the last month of the summer in Gilson, is another warm month, with an average temperature varying between 81.1°F (27.3°C) and 63.3°F (17.4°C).Temperature
The commencement of August brings an average high-temperature of a still moderately hot 81.1°F (27.3°C), marking an inconsequential divergence from July. The average low-temperature of 63.3°F (17.4°C) is witnessed in Gilson during August.Heat index
The average heat index in August is evaluated at a tropical 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In Gilson, Illinois, the average relative humidity in August is 81%.Rainfall
In Gilson, in August, during 12.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 126 rainfall days, and 14.45" (367mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day in Gilson, Illinois, is 13h and 45min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:16 pm. On the last day of August, in Gilson, sunrise is at 6:27 am and sunset at 7:34 pm CDT.
Sunshine
In August, the average sunshine is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Gilson, IL
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in August: 63.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in August
Gilson, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Gilson, IL
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Gilson, IL
- Average humidity in August: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Gilson, IL
- Average rainfall in August: 1.18"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in August
Gilson, IL
- Average rainfall days in August: 12.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in August
Gilson, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Gilson, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Gilson, IL
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Gilson, IL
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in August
Gilson, 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
Gilson, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in August
Gilson, IL
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
