August weather forecast
Gilbert, SC

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Weather in August

August, the last month of the summer in Gilbert, is also a hot month, with temperature in the range of an average low of 71.4°F (21.9°C) and an average high of 89.4°F (31.9°C).

Temperature

The average high-temperature is a still tropical 89.4°F (31.9°C) in August, hardly different from the 91°F (32.8°C) recorded in July. During August, Gilbert consistently records a temperature low averaging an agreeable 71.4°F (21.9°C).

Heat index

The heat index value during August is appraised at an extremely hot 105.8°F (41°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. 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. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Gilbert, the average relative humidity in August is 72%.

Rainfall

In August, the rain falls for 16.8 days. Throughout August, 3.35" (85mm) of precipitation is accumulated. In Gilbert, during the entire year, the rain falls for 157.6 days and collects up to 31.81" (808mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Gilbert, the average length of the day in August is 13h and 23min.
On the first day of August, sunrise is at 6:37 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:52 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 7 during August morphs into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

In August, the average high-temperature and low-temperature are 89.4°F (31.9°C) and 71.4°F (21.9°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 105.8°F (41°C).

What is the average humidity in August?

The average relative humidity in August is 72%.

How much does it rain in August?

In Gilbert, South Carolina, in August, it is raining for 16.8 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow?

April through November are months without snowfall in Gilbert.

What is the average length of the day in August?

In August, the average day length is 13h and 23min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:37 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:52 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.4h.

When is the highest UV index?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in August in Gilbert?

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

Average temperature in August - Gilbert, SC
  • Average high temperature in August: 89.4°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in August: 71.4°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).

Average pressure in August
Gilbert, SC

Average pressure in August - Gilbert, SC
  • Average pressure in August: 29.99"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in August
Gilbert, SC

Average wind speed in August - Gilbert, SC
  • Average wind speed in August: 5.4mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Gilbert, SC

Average humidity in August - Gilbert, SC
  • Average humidity in August: 72%

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

Average rainfall in August
Gilbert, SC

Average rainfall in August - Gilbert, SC
  • Average rainfall in August: 3.35"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
Gilbert, SC

Average rainfall days in August - Gilbert, SC
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is October (8.9 days).

Average snowfall in August
Gilbert, SC

Average snowfall in August - Gilbert, SC
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Gilbert, SC

Average snowfall days in August - Gilbert, SC
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.8 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
Gilbert, SC

Average daylight in August / Average sunshine in August - Gilbert, SC
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • 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
Gilbert, SC

Average sunshine days in August - Gilbert, SC
  • Average sunshine days in August: 11.7 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10 days).

Average UV index in August
Gilbert, SC

Average UV index in August - Gilbert, SC
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in August
Gilbert, SC

Average cloud cover in August - Gilbert, SC
  • Average cloud cover in August: 32

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in August
Gilbert, SC

Average visibility in August - Gilbert, SC
  • 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).

Gilbert, South Carolina, USA

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