August weather forecast
Peoria Heights, IL

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Weather in August

August, the last month of the summer in Peoria Heights, is another warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C).

Temperature

Peoria Heights notes an average high-temperature of a still moderately hot 81.1°F (27.3°C) in August, hardly diverging from July. In Peoria Heights, an average low-temperature of 63.3°F (17.4°C) is recorded during August nights.

Heat index

For most parts of August, the heat index is computed to be a hot 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

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

Rainfall

In Peoria Heights, during August, the rain falls for 12.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Peoria Heights, Illinois, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.

Snowfall

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

Daylight

In Peoria Heights, the average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:31 pm CDT.

Sunshine

In August, the average sunshine 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 estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the temperature in August in Peoria Heights?

August temperatures in Peoria Heights vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 63.3°F (17.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in August in Peoria Heights?

The average relative humidity in August is 81%.

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

In Peoria Heights, Illinois, 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 Peoria Heights?

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

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

In Peoria Heights, Illinois, the average day length in August is 13h and 45min.

When are sunrise and sunset in August in Peoria Heights?

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 Peoria Heights, sunrise is at 6:25 am and sunset at 7:31 pm CDT.

How many hours of sunshine does Peoria Heights have in August?

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

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

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

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

In August, the average daily maximum UV index in Peoria Heights, Illinois, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Peoria Heights, IL

Average temperature in August - Peoria Heights, 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
Peoria Heights, IL

Average pressure in August - Peoria Heights, 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
Peoria Heights, IL

Average wind speed in August - Peoria Heights, 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
Peoria Heights, IL

Average humidity in August - Peoria Heights, 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
Peoria Heights, IL

Average rainfall in August - Peoria Heights, 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
Peoria Heights, IL

Average rainfall days in August - Peoria Heights, 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
Peoria Heights, IL

Average snowfall in August - Peoria Heights, 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
Peoria Heights, IL

Average snowfall days in August - Peoria Heights, 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
Peoria Heights, IL

Average daylight in August / Average sunshine in August - Peoria Heights, 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
Peoria Heights, IL

Average sunshine days in August - Peoria Heights, 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
Peoria Heights, IL

Average UV index in August - Peoria Heights, 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
Peoria Heights, IL

Average cloud cover in August - Peoria Heights, 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
Peoria Heights, IL

Average visibility in August - Peoria Heights, 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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Peoria Heights, Illinois, USA

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