August weather forecast
Mooresville, NC

Share

Weather in August

As the season transitions, August strikes a slightly cooler note when compared with the previous months, with temperatures dipping to 88°F (31.1°C) from July’s peak. However, it surpasses July in terms of total rainfall amount, noting 3.43" (87mm), making it the wettest month. With the highest number of rainfall days at 18 and high humidity, the overall weather bears a slightly moist, humid character. Despite this, sunshine hours remain substantial, suggesting that while there might be rainfall, the month is also generously dotted with bright, sunny periods.

Temperature

Mooresville's average high-temperature marks a still hot 88°F (31.1°C) with the advent of August, closely mirroring that of the preceding month. Mooresville experiences a nighttime temperature average of 67.1°F (19.5°C) during August.

Heat index

Throughout August, the heat index is calculated to be a fiery hot 100.4°F (38°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Note that heat index values are valued for light wind and location in the shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in August is 72%.

Rainfall

In Mooresville, in August, it is raining for 18 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 161.6 rainfall days, and 32.91" (836mm) of precipitation is accumulated.

Snowfall

In Mooresville, snow does not fall in April through October.

Daylight

In Mooresville, the average length of the day in August is 13h and 28min.
On the first day of the month, sunrise is at 6:32 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:55 am and sunset at 7:51 pm EDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 6 suggests this advice:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

In Mooresville, 88°F (31.1°C) is the average high-temperature and 67.1°F (19.5°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 100.4°F (38°C).

What is the average humidity in August?

In August, the average relative humidity is 72%.

How much does it rain in August?

In Mooresville, in August, during 18 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When it does not snow?

In Mooresville, snow does not fall in April through October.

How many hours of daylight does Mooresville have in August?

In August, the average day length in Mooresville is 13h and 28min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:32 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 7:51 pm EDT.

How long on average sun shines in August in Mooresville?

The average sunshine duration in August is 10.3h.

When is the highest UV index?

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

What is the UV index reading in August?

In Mooresville, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Mooresville, NC

Average temperature in August - Mooresville, NC
  • Average high temperature in August: 88°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in August: 67.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in August
Mooresville, NC

Average pressure in August - Mooresville, NC
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Mooresville, NC

Average wind speed in August - Mooresville, NC
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in August
Mooresville, NC

Average humidity in August - Mooresville, NC
  • Average humidity in August: 72%

The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in August
Mooresville, NC

Average rainfall in August - Mooresville, NC
  • Average rainfall in August: 3.43"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (2.13").

Average rainfall days in August
Mooresville, NC

Average rainfall days in August - Mooresville, NC
  • Average rainfall days in August: 18 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in August
Mooresville, NC

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

The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Mooresville, NC

Average snowfall days in August - Mooresville, NC
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Mooresville, NC
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in August
Mooresville, NC

Average sunshine days in August - Mooresville, NC
  • Average sunshine days in August: 10.9 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is August (10.9 days).

Average UV index in August
Mooresville, NC

Average UV index in August - Mooresville, NC
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in August
Mooresville, NC

Average cloud cover in August - Mooresville, NC
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in August
Mooresville, NC

Average visibility in August - Mooresville, NC
  • Average visibility in August: 6mi

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

Mooresville, North Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location