August weather forecast
Mooresville, IN

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Weather in August

August, the last month of the summer in Mooresville, is also a moderately hot month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 81.7°F (27.6°C).

Temperature

The advent of August reveals an average high-temperature of a still warm 81.7°F (27.6°C), showing minimal difference from the prior month. Mooresville's nighttime temperature during August is consistently averaged at an enjoyable 63.7°F (17.6°C).

Heat index

In August, the heat index is calculated to be a tropical 87.8°F (31°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

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

Rainfall

In Mooresville, during August, the rain falls for 16 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Mooresville, during the entire year, the rain falls for 171.4 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

In Mooresville, snow does not fall in May through September.

Daylight

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

Sunshine

In Mooresville, Indiana, the average sunshine in August is 9.4h.

UV index

The months with the highest UV index in Mooresville are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In August, the average high-temperature and low-temperature are 81.7°F (27.6°C) and 63.7°F (17.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in August?

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

How many days does it rain in August?

In August, the rain falls for 16 days. Throughout August, 2.64" (67mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

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

When is the sunrise / sunset in August?

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.

How many hours of sunshine does Mooresville have in August?

In August, the average sunshine duration is 9.4h.

When is the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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
Mooresville, IN

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

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in August: 63.7°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 (21.2°F).

Average pressure in August
Mooresville, IN

Average pressure in August - Mooresville, 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).

Average wind speed in August
Mooresville, IN

Average wind speed in August - Mooresville, IN
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in August
Mooresville, IN

Average humidity in August - Mooresville, IN
  • Average humidity in August: 81%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Mooresville, IN

Average rainfall in August - Mooresville, IN
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in August
Mooresville, IN

Average rainfall days in August - Mooresville, IN
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in August
Mooresville, IN

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

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Mooresville, IN

Average snowfall days in August - Mooresville, 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).

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

Average daylight in August / Average sunshine in August - Mooresville, 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 2min

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

Average sunshine days in August
Mooresville, IN

Average sunshine days in August - Mooresville, IN
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (8.4 days).

Average UV index in August
Mooresville, IN

Average UV index in August - Mooresville, 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).

Average cloud cover in August
Mooresville, IN

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Mooresville, IN

Average visibility in August - Mooresville, 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).

Mooresville, Indiana, USA

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