August weather forecast
Terre Haute, IN

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Weather in August

August brings with it an extension of the summertime heat witnessed in July. Bearing resemblance to the previous month, August continuities to feature sunny days and warm nights. A nominal cooling is seen in August's average high temperature, dropping to 81.7°F (27.6°C) from July’s 82.8°F (28.2°C). Taking advantage of this warm climate, various outdoor events and sports activities feature prominently in August. Despite the hot temperatures, the distinct charm of summer is well and truly alive throughout this month.

Temperature

As Terre Haute welcomes August, the average high-temperature is noted at a still warm 81.7°F (27.6°C), closely aligning with the preceding month. Terre Haute witnesses an average low-temperature of 64°F (17.8°C) throughout the month of August.

Heat index

August's mean heat index is calculated to be a tropical 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Terre Haute, the average relative humidity in August is 81%.

Rainfall

In August, the rain falls for 14.6 days. Throughout August, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Terre Haute, there are 159.3 rainfall days, and 34.41" (874mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August in Terre Haute is 13h and 40min.
On the first day of the month, sunrise is at 6:50 am and sunset at 9:01 pm. On the last day of August, in Terre Haute, sunrise is at 7:17 am and sunset at 8:21 pm EDT.

Sunshine

In August, the average sunshine in Terre Haute is 9.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Terre Haute. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in August in Terre Haute?

In Terre Haute, 81.7°F (27.6°C) is the average high-temperature and 64°F (17.8°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in August in Terre Haute?

In August, the average relative humidity in Terre Haute is 81%.

How many days does it rain in August in Terre Haute?

In Terre Haute, Indiana, in August, it is raining for 14.6 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Terre Haute?

In Terre Haute, snow does not fall in May through October.

How many hours of daylight does Terre Haute have in August?

In Terre Haute, Indiana, the average day length in August is 13h and 40min.

What time are sunrise and sunset in August in Terre Haute?

In August, on the first day of the month, sunrise is at 6:50 am and sunset at 9:01 pm. On the last day of the month, in Terre Haute, Indiana, sunrise is at 7:17 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Terre Haute have in August?

The average sunshine duration in August in Terre Haute is 9.1h.

What is the month with the highest UV index in Terre Haute?

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

How high is the UV index in August in Terre Haute?

In Terre Haute, Indiana, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents 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
Terre Haute, IN

Average temperature in August - Terre Haute, IN
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in August
Terre Haute, IN

Average pressure in August - Terre Haute, IN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Terre Haute, IN

Average wind speed in August - Terre Haute, IN
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Terre Haute, IN

Average humidity in August - Terre Haute, IN
  • Average humidity in August: 81%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Terre Haute, IN

Average rainfall in August - Terre Haute, IN
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is April (4.96").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in August
Terre Haute, IN

Average rainfall days in August - Terre Haute, IN
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in August
Terre Haute, IN

Average snowfall in August - Terre Haute, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Terre Haute, IN

Average snowfall days in August - Terre Haute, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Terre Haute, IN

Average daylight in August / Average sunshine in August - Terre Haute, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).

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Average sunshine days in August
Terre Haute, IN

Average sunshine days in August - Terre Haute, IN
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (7.9 days).

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Average UV index in August
Terre Haute, IN

Average UV index in August - Terre Haute, 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
Terre Haute, IN

Average cloud cover in August - Terre Haute, IN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June, August and September (Cloud cover 32).

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Average visibility in August
Terre Haute, IN

Average visibility in August - Terre Haute, IN
  • 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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Terre Haute, Indiana, USA

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