August weather forecast
Vicksburg, MS

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Twin bridges across the large Mississippi River at Vicksburg, Mississippi, and green benches in the waterfront walk street
Twin bridges across the large Mississippi River at Vicksburg, Mississippi, and green benches in the waterfront walk street

Weather in August

In August, Vicksburg continues to persist through the peak summer conditions, with the temperature mostly toeing July’s line, marking a high of 91.6°F (33.1°C). Though the temperatures remain elevated, daylight hours see a slight reduction, hinting at the approaching end of summer. Despite the intense heat, the rainfall stands resilient, providing some relief to the city's inhabitants. Comfort from August's sweltering days can be found in the pleasant river breezes and occasional summer rain. As the month progresses, evenings commence a little earlier, leading the path to the initial signs of autumn.

Temperature

The commencement of August brings an average high-temperature of a still tropical 91.6°F (33.1°C), marking an inconsequential divergence from July. Vicksburg reports an average nighttime low-temperature of 72.1°F (22.3°C) in August.

Heat index

August's heat index is estimated at a life-threatening hot 114.8°F (46°C). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

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

Rainfall

In Vicksburg, during August, the rain falls for 19.3 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Vicksburg, during the entire year, the rain falls for 169.7 days and collects up to 38.82" (986mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day in Vicksburg is 13h and 18min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:28 pm CDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 7 during August, leads to the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature, in August, in Vicksburg, is 91.6°F (33.1°C), while the average low-temperature is 72.1°F (22.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 114.8°F (46°C).

What is the average humidity in August?

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

How many days does it rain in August?

In August, the rain falls for 19.3 days. Throughout August, 3.5" (89mm) of precipitation is accumulated.

When it does not snow in Vicksburg?

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

What is the average length of the day in August?

The average day length in August is 13h and 18min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:18 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:28 pm CDT.

How many hours of sunshine does Vicksburg have in August?

In August, the average sunshine duration is 10.2h.

When is 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 intensity in August in Vicksburg?

In Vicksburg, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes 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
Vicksburg, MS

Average temperature in August - Vicksburg, MS
  • Average high temperature in August: 91.6°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (54.1°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 (39.6°F).

Average pressure in August
Vicksburg, MS

Average pressure in August - Vicksburg, 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
Vicksburg, MS

Average wind speed in August - Vicksburg, MS
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in August
Vicksburg, MS

Average humidity in August - Vicksburg, MS
  • Average humidity in August: 75%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in August
Vicksburg, MS

Average rainfall in August - Vicksburg, MS
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in August
Vicksburg, MS

Average rainfall days in August - Vicksburg, MS
  • Average rainfall days in August: 19.3 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is October (8.9 days).

Average snowfall in August
Vicksburg, MS

Average snowfall in August - Vicksburg, MS
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Vicksburg, MS

Average snowfall days in August - Vicksburg, MS
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (1 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
Vicksburg, MS

Average daylight in August / Average sunshine in August - Vicksburg, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in August
Vicksburg, MS

Average sunshine days in August - Vicksburg, MS
  • Average sunshine days in August: 9.9 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (9.9 days).

Average UV index in August
Vicksburg, MS

Average UV index in August - Vicksburg, 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
Vicksburg, MS

Average cloud cover in August - Vicksburg, MS
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in August
Vicksburg, MS

Average visibility in August - Vicksburg, MS
  • 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).

Vicksburg, Mississippi, USA

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