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
August is marked by an average high-temperature of a still moderately hot 82.9°F (28.3°C), almost identical to the preceding month. The average low-temperature during August nights is an enjoyable 65.7°F (18.7°C).Heat index
In August, the average heat index is computed to be a tropical 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in August is 79%.Rainfall
In Iola, in August, it is raining for 15.4 days, with typically 2.91" (74mm) of accumulated precipitation. In Iola, during the entire year, the rain falls for 167.3 days and collects up to 37.17" (944mm) of precipitation.Snowfall
In Iola, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 38min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:25 pm CDT.
Sunshine
In Iola, 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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Iola have in August?
What are the months with the highest UV index?
How high is the UV index in August in Iola?
Average temperature in August
Iola, IL
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in August
Iola, 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
Iola, 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
Iola, IL
- Average humidity in August: 79%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Iola, IL
- Average rainfall in August: 2.91"
The wettest month (with the highest rainfall) is April (4.88").
The driest months (with the least rainfall) are February and September (2.09").
Average rainfall days in August
Iola, IL
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in August
Iola, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Iola, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.1 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
Iola, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Iola, IL
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in August
Iola, 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
Iola, IL
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in August
Iola, 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).
Iola, Illinois, USA
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