August weather forecast
Grand Gulf, MS

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Weather in August

August, the last month of the summer in Grand Gulf, is also a hot month, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 92.1°F (33.4°C).

Temperature

August, noted for its average high-temperature of 92.1°F (33.4°C) and an average low-temperature of 72.1°F (22.3°C), is considered the warmest month.

Heat index

During August, the heat index is evaluated at a burning hot 116.6°F (47°C). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
Note that heat index values are valued for light wind and location in the shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. 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 especially crucial for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Grand Gulf, the average relative humidity in August is 75%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.83" (72mm) of precipitation.

Snowfall

April through November are months without snowfall in Grand Gulf.

Daylight

The average length of the day in August is 13h and 17min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:01 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:29 pm CDT.

Sunshine

In Grand Gulf, the average sunshine in August is 10h.

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 rays for ordinary individuals.
Note: In August, the maximum UV index of 7 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

August is Grand Gulf's warmest month, registering average high temperatures of 92.1°F (33.4°C) and lows of 72.1°F (22.3°C).

How hot is it in August?

The high-temperature during August is 92.1°F (33.4°C) and the low-temperature is 72.1°F (22.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is evaluated at 116.6°F (47°C).

What is the average humidity in August?

In Grand Gulf, Mississippi, the average relative humidity in August is 75%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.4 days and typically aggregates up to 2.83" (72mm) of precipitation.

How many days does it rain in August?

In Grand Gulf, in August, it is raining for 17.4 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in August?

In Grand Gulf, the average day length in August is 13h and 17min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:20 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:29 pm CDT.

How many hours of sunshine does Grand Gulf have in August?

In Grand Gulf, the average sunshine duration in August is 10h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Grand Gulf, MS

Average temperature in August - Grand Gulf, MS
  • Average high temperature in August: 92.1°F

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in August: 72.1°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in August
Grand Gulf, MS

Average pressure in August - Grand Gulf, MS
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Grand Gulf, MS

Average wind speed in August - Grand Gulf, MS
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

Average humidity in August
Grand Gulf, MS

Average humidity in August - Grand Gulf, MS
  • Average humidity in August: 75%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in August
Grand Gulf, MS

Average rainfall in August - Grand Gulf, MS
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is November (1.22").

Average rainfall days in August
Grand Gulf, MS

Average rainfall days in August - Grand Gulf, MS
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is August (17.4 days).
The month with the least rainy days is October (6.9 days).

Average snowfall in August
Grand Gulf, MS

Average snowfall in August - Grand Gulf, MS
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Grand Gulf, MS

Average snowfall days in August - Grand Gulf, MS
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.7 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
Grand Gulf, MS

Average daylight in August / Average sunshine in August - Grand Gulf, MS
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in August
Grand Gulf, MS

Average sunshine days in August - Grand Gulf, MS
  • Average sunshine days in August: 11 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is August (11 days).

Average UV index in August
Grand Gulf, MS

Average UV index in August - Grand Gulf, MS
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in August
Grand Gulf, MS

Average cloud cover in August - Grand Gulf, MS
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in August
Grand Gulf, MS

Average visibility in August - Grand Gulf, MS
  • Average visibility in August: 5mi

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

Grand Gulf, Mississippi, USA

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