August weather forecast
Columbia, MS

Weather in August

The last month of the summer, August, is another hot month in Columbia, Mississippi, with temperature in the range of an average low of 72.5°F (22.5°C) and an average high of 91.4°F (33°C).

Temperature

August is the warmest month, with an average high-temperature of 91.4°F (33°C) and an average low-temperature of 72.5°F (22.5°C).

Heat index

In August, the average heat index is computed to be a blazing hot 115.2°F (46.2°C). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, wind, clothing). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Columbia, the average relative humidity in August is 76%.

Rainfall

The month with the most rainfall in Columbia is August when the rain falls for 22.6 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

In Columbia snow does not fall in April through November.

Daylight

In August, the average length of the day is 13.2h.

Sunshine

The average sunshine in Columbia is 10.4h.

UV index

Months with the highest UV index in Columbia are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Columbia?

The warmest month is August, with an average high-temperature of 91.4°F (33°C) and an average low-temperature of 72.5°F (22.5°C).

What is the temperature in August in Columbia?

The average high-temperature, in August, is 91.4°F (33°C), while the average low-temperature is 72.5°F (22.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 115.2°F (46.2°C).

What is the average humidity in August in Columbia?

In August, the average relative humidity in Columbia is 76%.

What is the rainiest month in Columbia?

The month with the most rainfall in Columbia, Mississippi, is August when the rain falls for 22.6 days and typically aggregates up to 4.02" (102mm) of precipitation.

How many days does it rain in August in Columbia?

In Columbia, during August, the rain falls for 22.6 days and regularly aggregates up to 4.02" (102mm) of precipitation.

When it does not snow in Columbia?

In Columbia snow does not fall in April through November.

How many hours of daylight does Columbia have in August?

The average length of the day in August in Columbia is 13.2h.

How many hours of sunshine does Columbia have in August?

The average sunshine in August in Columbia, Mississippi, is 10.4h.

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

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

How high is the UV index in August in Columbia?

In Columbia, Mississippi, the average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Columbia, MS

Average temperature in August - Columbia, MS
  • Average high temperature in August: 33°C

The warmest month (with the highest average high temperature) is August (33°C).
The month with the lowest average high temperature is January (13.8°C).

  • Average low temperature in August: 22.5°C

The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).

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Average pressure in August
Columbia, MS

Average pressure in August - Columbia, MS
  • Average pressure in August: 1015mbar

The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1014.8mbar).

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Average wind speed in August
Columbia, MS

Average wind speed in August - Columbia, MS
  • Average wind speed in August: 7.3km/h

The windiest month (with the highest average wind speed) is April (11km/h).
The calmest month (with the lowest average wind speed) is July (7.2km/h).

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Average humidity in August
Columbia, MS

Average humidity in August - Columbia, MS
  • Average humidity in August: 76%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Columbia, MS

Average rainfall in August - Columbia, MS
  • Average rainfall in August: 102mm

The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is November (38mm).

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Average rainfall days in August
Columbia, MS

Average rainfall days in August - Columbia, MS
  • Average rainfall days in August: 22.6 days

The month with the highest number of rainy days is August (22.6 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in August
Columbia, MS

Average snowfall in August - Columbia, MS
  • Average snowfall in August: 0mm

The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in August
Columbia, MS

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

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sunshine in August
Columbia, MS

Average sunshine in August - Columbia, MS
  • Average sunshine in August: 10.4h

The month with the most sunshine is June (Average sunshine: 10.7h).
The months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in August
Columbia, MS

Average sunshine days in August - Columbia, MS
  • Average sunshine days in August: 7 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (6.7 days).

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Average UV index in August
Columbia, MS

Average UV index in August - Columbia, 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).

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Average cloud cover in August
Columbia, MS

Average cloud cover in August - Columbia, MS
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in August
Columbia, MS

Average visibility in August - Columbia, MS
  • Average visibility in August: 8km

The months with the highest visibility are January, October and November (9km).
The months with the lowest visibility are February, March, April, May, June, July, August, September and December (8km).

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