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
With August's arrival, Fayetteville notes an average high-temperature of a moderately hot 84.7°F (29.3°C), closely following the trend of the preceding month. During August, Fayetteville experiences a consistent low-temperature average of 65.8°F (18.8°C).Heat index
The heat index in August is calculated to be a fiery hot 95°F (35°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. 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', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In August, the average relative humidity in Fayetteville is 78%.Rainfall
In Fayetteville, during August, the rain falls for 12.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Fayetteville, during the entire year, the rain falls for 129.8 days and collects up to 19.13" (486mm) of precipitation.Snowfall
In Fayetteville, snow does not fall in April through August.Daylight
In August, the average length of the day in Fayetteville is 13h and 37min.On the first day of August, sunrise is at 6:02 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:30 pm CDT.
Sunshine
In Fayetteville, the average sunshine in August is 10.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Fayetteville. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
How hot is August in Fayetteville?
What is the average humidity in August in Fayetteville?
How much does it rain in Fayetteville in August?
When it does not snow in Fayetteville?
Does it snow in Fayetteville in August?
How many hours of daylight does Fayetteville have in August?
When is the sunrise / sunset in August in Fayetteville?
How long on average sun shines in August in Fayetteville?
What are the months with the highest UV index in Fayetteville?
What is the UV index intensity in August in Fayetteville?
Average temperature in August
Fayetteville, IL
- Average high temperature in August: 84.7°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 (38.3°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 (25.2°F).
Average pressure in August
Fayetteville, 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
Fayetteville, 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
Fayetteville, IL
- Average humidity in August: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Fayetteville, IL
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in August
Fayetteville, IL
- Average rainfall days in August: 12.5 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall in August
Fayetteville, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days in August
Fayetteville, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Fayetteville, 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 30min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Fayetteville, IL
- Average sunshine days in August: 15.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in August
Fayetteville, 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
Fayetteville, IL
- Average cloud cover in August: 27
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in August
Fayetteville, 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).
Fayetteville, Illinois, USA
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