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
Sesser commences August with an average high-temperature of a warm 85.3°F (29.6°C), maintaining a close resemblance to the previous month. The month of August records an average low-temperature of 66°F (18.9°C).Heat index
The heat index value during August is computed to be a very hot 96.8°F (36°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. 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.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in August is 77%.Rainfall
In Sesser, in August, it is raining for 11.3 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 122.7 rainfall days, and 18.03" (458mm) of precipitation is accumulated.Snowfall
In Sesser, snow does not fall in May through September.Daylight
In Sesser, the average length of the day in August is 13h and 35min.On the first day of August, sunrise is at 5:59 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:26 pm CDT.
Sunshine
In Sesser, 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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow in Sesser?
What is the average length of the day in August?
When are sunrise and sunset in August?
How many hours of sunshine does Sesser have in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Sesser, IL
- Average high temperature in August: 85.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in August: 66°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 (25.7°F).
Average pressure in August
Sesser, 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
Sesser, IL
- Average wind speed in August: 5.9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in August
Sesser, IL
- Average humidity in August: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Sesser, IL
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in August
Sesser, IL
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in August
Sesser, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Sesser, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.5 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
Sesser, IL
- Average daylight in August: 13h and 4min
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 36min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Sesser, IL
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in August
Sesser, 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
Sesser, IL
- Average cloud cover in August: 28
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in August
Sesser, 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).
Sesser, Illinois, USA
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