August weather forecast
Biloxi, MS

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A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi
A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi

Weather in August

August continues the hot summer streak of its predecessor with an average highest temperature remaining at 89.8°F (32.1°C). It replicates the climate conditions of July, marred by high humidity, prolonged daylight, and a substantial amount of sunshine hours. The wave-soaked coastal line remains a vantage point for mixing pleasure with the prevailing warmth. However, the month notes an increase in rainfall, a possible precursor to the impending cooler start of the next season.

Temperature

Biloxi sees the highest average temperatures during the months of July and August, peaking at 89.8°F (32.1°C).

Heat index

The average heat index in August is appraised at a blistering 107.6°F (42°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. 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 particularly relevant to children. 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. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in August in Biloxi, Mississippi, is 74%.

Rainfall

August is the month with the most rainfall in Biloxi. Rain falls for 24.2 days and accumulates 6.34" (161mm) of precipitation.

Snowfall

February through December are months without snowfall.

Ocean temperature

With an average ocean temperature of 86.5°F (30.3°C), August is the month with the warmest seawater.
Note: Water sports might not feel as refreshing in waters heated beyond 86°F (30°C).

Daylight

The average length of the day in August in Biloxi, Mississippi, is 13h and 13min.
On the first day of August, sunrise is at 6:14 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:19 pm CDT.

Sunshine

In August, the average sunshine in Biloxi, Mississippi, is 10.8h.

UV index

The months with the highest UV index in Biloxi are May 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 daily UV index of 7 in August converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take note! The UV strength of the Sun elevates when reflected off water and sand.
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Frequently asked questions

What month is the hottest in Biloxi?

July and August, when the average high-temperature in Biloxi reaches 89.8°F (32.1°C), are the warmest months.

How hot does it get in Biloxi in August?

The average high-temperature, in August, in Biloxi, is 89.8°F (32.1°C), while the average low-temperature is 77.7°F (25.4°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 107.6°F (42°C).

What is the average humidity in August in Biloxi?

In Biloxi, the average relative humidity in August is 74%.

What is the wettest month in Biloxi?

August is the month with the most rainfall. Rain falls for 24.2 days and accumulates 6.34" (161mm) of precipitation.

How much does it rain in Biloxi in August?

In Biloxi, in August, it is raining for 24.2 days, with typically 6.34" (161mm) of accumulated precipitation.

When it does not snow in Biloxi?

February through December are months without snowfall in Biloxi.

When is the ocean warmest in Biloxi?

August is the month with the warmest seawater, with an average ocean temperature of 86.5°F (30.3°C).

What is the ocean temperature in August in Biloxi?

In Biloxi, the average seawater temperature in August is 86.5°F (30.3°C). For swimming, other intense water activities, temperature above 86°F (30°C) is arguably unpleasant, as the water cooling effect is missing.

How many hours of daylight does Biloxi have in August?

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

When are sunrise and sunset in August in Biloxi?

In August, on the first day of the month, sunrise is at 6:14 am and sunset at 7:49 pm. On the last day of the month, in Biloxi, sunrise is at 6:32 am and sunset at 7:19 pm CDT.

How long on average sun shines in August in Biloxi?

In Biloxi, the average sunshine duration in August is 10.8h.

What is the month with the highest UV index in Biloxi?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Biloxi, Mississippi.

What is the UV index intensity in August in Biloxi?

In August, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat 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
Biloxi, MS

Average temperature in August - Biloxi, MS
  • Average high temperature in August: 89.8°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in August: 77.7°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in August
Biloxi, MS

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in August
Biloxi, MS

Average wind speed in August - Biloxi, MS
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in August
Biloxi, MS

Average humidity in August - Biloxi, MS
  • Average humidity in August: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Biloxi, MS

Average rainfall in August - Biloxi, MS
  • Average rainfall in August: 6.34"

The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is November (2.09").

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Average rainfall days in August
Biloxi, MS

Average rainfall days in August - Biloxi, MS
  • Average rainfall days in August: 24.2 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in August
Biloxi, MS

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in August
Biloxi, MS

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in August
Biloxi, MS

Average sea temperature in August - Biloxi, MS
  • Average sea temperature in August: 86.5°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).

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Average daylight in August /
Average sunshine in August
Biloxi, MS

Average daylight in August / Average sunshine in August - Biloxi, MS
  • Average daylight in August: 13h and 1min

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

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in August
Biloxi, MS

Average sunshine days in August - Biloxi, MS
  • Average sunshine days in August: 5.1 days

The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are July and August (5.1 days).

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Average UV index in August
Biloxi, MS

Average UV index in August - Biloxi, MS
  • Average UV index in August: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

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Average cloud cover in August
Biloxi, MS

Average cloud cover in August - Biloxi, MS
  • Average cloud cover in August: 28

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).

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Average visibility in August
Biloxi, MS

Average visibility in August - Biloxi, 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).

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Biloxi, Mississippi, USA

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