August weather forecast
East Peoria, IL

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Weather in August

August, the last month of the summer in East Peoria, is also a moderately hot month, with an average temperature fluctuating between 63.3°F (17.4°C) and 81.1°F (27.3°C).

Temperature

The beginning of August records an average high-temperature of a still moderately hot 81.1°F (27.3°C), almost echoing the conditions of the previous month. The month of August records an average low-temperature of 63.3°F (17.4°C) in East Peoria.

Heat index

For most parts of August, the heat index is estimated at a tropical 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In East Peoria, the average relative humidity in August is 81%.

Rainfall

In August, the rain falls for 12.3 days. Throughout August, 1.3" (33mm) of precipitation is accumulated. In East Peoria, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.

Snowfall

In East Peoria, snow does not fall in May through September.

Daylight

The average length of the day in August in East Peoria is 13h and 44min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of August, in East Peoria, sunrise is at 6:25 am and sunset at 7:31 pm CDT.

Sunshine

In East Peoria, Illinois, the average sunshine in August is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are the temperatures in East Peoria in August?

In August, the average high-temperature and low-temperature in East Peoria, Illinois, are 81.1°F (27.3°C) and 63.3°F (17.4°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 87.8°F (31°C).

What is the average humidity in August in East Peoria?

The average relative humidity in August in East Peoria is 81%.

How many days does it rain in August in East Peoria?

In East Peoria, during August, the rain falls for 12.3 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When it does not snow in East Peoria?

In East Peoria, Illinois, snow does not fall in May through September.

What is the average length of the day in August in East Peoria?

In East Peoria, the average day length in August is 13h and 44min.

What time are sunrise and sunset in August in East Peoria?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of the month, in East Peoria, Illinois, sunrise is at 6:25 am and sunset at 7:31 pm CDT.

How long on average sun shines in August in East Peoria?

The average sunshine duration in August in East Peoria, Illinois, is 10h.

What is the month with the highest UV index in East Peoria?

June through August, with an average maximum UV index of 6, are months with the highest UV index in East Peoria.

What is the UV index intensity in August in East Peoria?

In August, the average daily maximum UV index in East Peoria is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
East Peoria, IL

Average temperature in August - East Peoria, 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 (30.7°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in August
East Peoria, IL

Average pressure in August - East Peoria, 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).

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Average wind speed in August
East Peoria, IL

Average wind speed in August - East Peoria, IL
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in August
East Peoria, IL

Average humidity in August - East Peoria, 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 (71%).

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Average rainfall in August
East Peoria, IL

Average rainfall in August - East Peoria, IL
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in August
East Peoria, IL

Average rainfall days in August - East Peoria, IL
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in August
East Peoria, IL

Average snowfall in August - East Peoria, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
East Peoria, IL

Average snowfall days in August - East Peoria, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
East Peoria, IL

Average daylight in August / Average sunshine in August - East Peoria, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
East Peoria, IL

Average sunshine days in August - East Peoria, IL
  • Average sunshine days in August: 16.4 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in August
East Peoria, IL

Average UV index in August - East Peoria, 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).

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Average cloud cover in August
East Peoria, IL

Average cloud cover in August - East Peoria, 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).

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Average visibility in August
East Peoria, IL

Average visibility in August - East Peoria, IL
  • Average visibility in August: 5mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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East Peoria, Illinois, USA

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