August weather forecast
Bloomington, IL

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Weather in August

In August, summer persists in Bloomington featuring warm temperatures similar to the previous month. The ample sunshine continues to bathe the city, turning it into a hot summer haven, with the mercury hovering close to 79.9°F (26.6°C). Showers are less frequent, but much appreciated on warm afternoons for temporal relief from the heat. Despite the hot weather, pleasant breezes sweep through the city during the morning and evening hours. As August comes to a close, the summer gradually starts to make room for fall.

Temperature

The start of August marks an average high-temperature of a still warm 79.9°F (26.6°C), hardly distinguishable from the conditions in July. Bloomington observes an average low-temperature of 63°F (17.2°C) during August.

Humidity

The average relative humidity in August in Bloomington is 83%.

Rainfall

In Bloomington, during August, the rain falls for 14.1 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Bloomington, during the entire year, the rain falls for 140.6 days and collects up to 22.44" (570mm) of precipitation.

Snowfall

May through September are months without snowfall in Bloomington, Illinois.

Daylight

In August, the average length of the day in Bloomington is 13h and 44min.
On the first day of August in Bloomington, sunrise is at 5:53 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:29 pm CDT.

Sunshine

The average sunshine in August is 9.5h.

UV index

The months with the highest UV index in Bloomington, Illinois, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the temperature in August in Bloomington?

August temperatures vary between a high-temperature of 79.9°F (26.6°C) and a low-temperature of 63°F (17.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is appraised at 86°F (30°C).

What is the average humidity in August in Bloomington?

In August, the average relative humidity is 83%.

How much does it rain in Bloomington in August?

In Bloomington, in August, during 14.1 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Bloomington?

May through September are months without snowfall.

What is the average length of the day in August in Bloomington?

In August, the average day length in Bloomington, Illinois, is 13h and 44min.

When is the sunrise / sunset in August in Bloomington?

On the first day of August in Bloomington, Illinois, sunrise is at 5:53 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:29 pm CDT.

How long on average sun shines in August in Bloomington?

In Bloomington, Illinois, the average sunshine duration in August is 9.5h.

What are the months with the highest UV index in Bloomington?

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

What is the UV index reading in August in Bloomington?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Bloomington, IL

Average temperature in August - Bloomington, IL
  • Average high temperature in August: 79.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in August
Bloomington, IL

Average pressure in August - Bloomington, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Bloomington, IL

Average wind speed in August - Bloomington, IL
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in August
Bloomington, IL

Average humidity in August - Bloomington, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Bloomington, IL

Average rainfall in August - Bloomington, IL
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in August
Bloomington, IL

Average rainfall days in August - Bloomington, IL
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in August
Bloomington, IL

Average snowfall in August - Bloomington, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Bloomington, IL

Average snowfall days in August - Bloomington, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.5 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
Bloomington, IL

Average daylight in August / Average sunshine in August - Bloomington, 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: 9h and 3min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in August
Bloomington, IL

Average sunshine days in August - Bloomington, IL
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in August
Bloomington, IL

Average UV index in August - Bloomington, 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
Bloomington, IL

Average cloud cover in August - Bloomington, IL
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

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Average visibility in August
Bloomington, IL

Average visibility in August - Bloomington, 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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Bloomington, Illinois, USA

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