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
The advent of August brings an average high-temperature of a still warm 82.2°F (27.9°C), exhibiting minor difference from the previous month. Throughout the month of August, Willow Hill witnesses an average temperature of 64.6°F (18.1°C).Heat index
August's heat index is estimated at a tropical 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the highest humidity are July and August, with an average relative humidity of 81%.Rainfall
In Willow Hill, Illinois, in August, it is raining for 14.1 days, with typically 2.68" (68mm) of accumulated precipitation. In Willow Hill, Illinois, during the entire year, the rain falls for 158.3 days and collects up to 35.12" (892mm) of precipitation.Snowfall
In Willow Hill, snow does not fall in May through October.Daylight
In Willow Hill, the average length of the day in August is 13h and 38min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:23 pm CDT.
Sunshine
In August, the average sunshine in Willow Hill is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Willow Hill. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are August temperatures in Willow Hill?
What are the most humid months in Willow Hill?
What is the average humidity in August in Willow Hill?
How many days does it rain in August in Willow Hill?
When it does not snow in Willow Hill?
How many hours of daylight does Willow Hill have in August?
When are sunrise and sunset in August in Willow Hill?
How long on average sun shines in August in Willow Hill?
When is the highest UV index in Willow Hill?
What is the UV index reading in August in Willow Hill?
Average temperature in August
Willow Hill, IL
- Average high temperature in August: 82.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in August: 64.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in August
Willow Hill, 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
Willow Hill, IL
- Average wind speed in August: 6mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in August
Willow Hill, IL
- Average humidity in August: 81%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Willow Hill, IL
- Average rainfall in August: 2.68"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Willow Hill, IL
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall in August
Willow Hill, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Willow Hill, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.3 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
Willow Hill, IL
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Willow Hill, IL
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in August
Willow Hill, 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
Willow Hill, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in August
Willow Hill, 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).
Willow Hill, Illinois, USA
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