August weather forecast
Forest Park, IN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Forest Park, Indiana, with an average temperature fluctuating between 82.8°F (28.2°C) and 63.3°F (17.4°C).

Temperature

The weather during August records an average high-temperature of a still warm 82.8°F (28.2°C), closely mirroring the preceding month. During August, the nighttime temperature in Forest Park averages to a comfortable 63.3°F (17.4°C).

Heat index

Throughout August, the heat index is calculated to be a tropical 89.6°F (32°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Forest Park, in August, during 14.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Forest Park, Indiana, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.

Snowfall

May through October are months without snowfall in Forest Park.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:55 pm. On the last day of August, in Forest Park, sunrise is at 7:12 am and sunset at 8:15 pm EDT.

Sunshine

In Forest Park, the average sunshine in August is 9.6h.

UV index

The months with the highest UV index in Forest Park are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

How hot is August in Forest Park?

An average high-temperature, in August, in Forest Park, is 82.8°F (28.2°C) and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August in Forest Park?

In August, the average relative humidity in Forest Park, Indiana, is 79%.

How much does it rain in Forest Park in August?

In Forest Park, Indiana, during August, the rain falls for 14.6 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Forest Park?

In Forest Park, snow does not fall in May through October.

What is the average length of the day in August in Forest Park?

In August, the average day length is 13h and 40min.

What time are sunrise and sunset in August in Forest Park?

In August, on the first day of the month, sunrise is at 6:44 am and sunset at 8:55 pm. On the last day of the month, in Forest Park, sunrise is at 7:12 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Forest Park have in August?

In August, the average sunshine duration in Forest Park, Indiana, is 9.6h.

What are the months with the highest UV index in Forest Park?

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

How high is the UV index in August in Forest Park?

The average daily maximum UV index in August in Forest Park, Indiana, is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Forest Park, IN

Average temperature in August - Forest Park, IN
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in August
Forest Park, IN

Average pressure in August - Forest Park, IN
  • 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 (29.93"Hg).

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Average wind speed in August
Forest Park, IN

Average wind speed in August - Forest Park, IN
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in August
Forest Park, IN

Average humidity in August - Forest Park, IN
  • Average humidity in August: 79%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Forest Park, IN

Average rainfall in August - Forest Park, IN
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in August
Forest Park, IN

Average rainfall days in August - Forest Park, IN
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

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Average snowfall in August
Forest Park, IN

Average snowfall in August - Forest Park, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Forest Park, IN

Average snowfall days in August - Forest Park, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 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
Forest Park, IN

Average daylight in August / Average sunshine in August - Forest Park, IN
  • 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: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in August
Forest Park, IN

Average sunshine days in August - Forest Park, IN
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in August
Forest Park, IN

Average UV index in August - Forest Park, IN
  • 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
Forest Park, IN

Average cloud cover in August - Forest Park, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Forest Park, IN

Average visibility in August - Forest Park, IN
  • Average visibility in August: 6mi

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

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Forest Park, Indiana, USA

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