August weather forecast
Plainfield, IN

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Weather in August

August depicts a slow transition from the simmering summer towards the upcoming fall season in Plainfield. The high temperatures from July continue, but with a slight decrease, hinting towards the end of the hot season. This subtle change in weather conditions does not deter the vibing outdoor activities, as the month still basks in strong sunshine. The lengthy daylight hours and mild winds preserve the pleasurable ambiance for summer festivities. As August ends, the moments of sun-kissed glory start to give way to cooler evening breezes, marking the impending fall season.

Temperature

Plainfield in August witnesses an average high-temperature of a still moderately hot 81°F (27.2°C), indicating a slight variation from July's 82°F (27.8°C). During the month of August, the temperature in Plainfield falls to an average of 63.5°F (17.5°C).

Heat index

In August, the average heat index is estimated at a tropical 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical 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 Plainfield, Indiana, the average relative humidity in August is 80%.

Rainfall

In Plainfield, in August, it is raining for 17.3 days, with typically 2.72" (69mm) of accumulated precipitation. In Plainfield, during the entire year, the rain falls for 179.9 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In August, the average length of the day in Plainfield is 13h and 41min.
On the first day of August, sunrise is at 6:45 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:17 pm EDT.

Sunshine

The average sunshine in August is 9.5h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are the temperatures in Plainfield in August?

In August, the average high-temperature and low-temperature in Plainfield are 81°F (27.2°C) and 63.5°F (17.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Plainfield?

In Plainfield, Indiana, the average relative humidity in August is 80%.

How many days does it rain in August in Plainfield?

In August, in Plainfield, Indiana, the rain falls for 17.3 days. Throughout August, 2.72" (69mm) of precipitation is accumulated.

When it does not snow in Plainfield?

June through October are months without snowfall in Plainfield, Indiana.

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

In August, the average day length in Plainfield, Indiana, is 13h and 41min.

When is the sunrise / sunset in August in Plainfield?

On the first day of August in Plainfield, sunrise is at 6:45 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:17 pm EDT.

How long on average sun shines in August in Plainfield?

The average sunshine duration in August in Plainfield is 9.5h.

When is the highest UV index in Plainfield?

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

What is the UV index intensity in August in Plainfield?

In August, the average daily maximum UV index in Plainfield, Indiana, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Plainfield, IN

Average temperature in August - Plainfield, IN
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in August: 63.5°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 (21°F).

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Average pressure in August
Plainfield, IN

Average pressure in August - Plainfield, 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
Plainfield, IN

Average wind speed in August - Plainfield, IN
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in August
Plainfield, IN

Average humidity in August - Plainfield, IN
  • Average humidity in August: 80%

The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Plainfield, IN

Average rainfall in August - Plainfield, IN
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is May (4.53").
The driest months (with the least rainfall) are February and September (2.32").

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Average rainfall days in August
Plainfield, IN

Average rainfall days in August - Plainfield, IN
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in August
Plainfield, IN

Average snowfall in August - Plainfield, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Plainfield, IN

Average snowfall days in August - Plainfield, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Plainfield, IN

Average daylight in August / Average sunshine in August - Plainfield, 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 24min).

  • Average sunshine in August: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

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Average sunshine days in August
Plainfield, IN

Average sunshine days in August - Plainfield, IN
  • Average sunshine days in August: 10.5 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7.3 days).

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Average UV index in August
Plainfield, IN

Average UV index in August - Plainfield, 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, October, November and December (UV index 2).

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Average cloud cover in August
Plainfield, IN

Average cloud cover in August - Plainfield, IN
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Plainfield, IN

Average visibility in August - Plainfield, IN
  • Average visibility in August: 6mi

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

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Plainfield, Indiana, USA

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