Natchez
Mississippi, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Natchez, MS

The last month of the summer, August, is another tropical month in Natchez, Mississippi, with average temperature ranging between min 73°F (22.8°C) and max 91°F (32.8°C).

Temperature

The warmest months are July and August, with an average high-temperature of 91°F (32.8°C).

Heat index

In August, the average heat index is estimated at a burning hot 114.6°F (45.9°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 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like differences in body mass, height, and shape, clothing, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. 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 August, the average relative humidity in Natchez is 77%.

Rainfall

In Natchez, during August, the rain falls for 19.3 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Natchez, Mississippi, during the entire year, the rain falls for 168.8 days and collects up to 37.52" (953mm) of precipitation.

Snowfall

In Natchez snow does not fall in April through November.

Daylight

In August, the average length of the day is 13.3h.

Sunshine

In Natchez, Mississippi, the average sunshine is 10h.

UV index

Months with the highest UV index in Natchez are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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.

What are the warmest months in Natchez?

Warmest months in Natchez, Mississippi, are July and August, with an average high-temperature of 91°F (32.8°C).

What is the temperature in August in Natchez?

In August, the average high-temperature is 91°F (32.8°C), and the average low-temperature is 73°F (22.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines both air temperature and relative humidity, is evaluated at 114.6°F (45.9°C).

What is the average humidity in August in Natchez?

In August, the average relative humidity in Natchez is 77%.

How many days does it rain in August in Natchez?

In Natchez, Mississippi, in August, during 19.3 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

When it does not snow in Natchez?

In Natchez snow does not fall in April through November.

How many hours of daylight does Natchez have in August?

In Natchez, the average length of the day in August is 13.3h.

How long on average sun shines in August in Natchez?

In Natchez, the average sunshine in August is 10h.

What are the months with the highest UV index in Natchez?

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

What is the UV index reading in August in Natchez?

In August, the average daily maximum UV index in Natchez, Mississippi, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in August - Natchez, MS
  • Average high temperature in August: 91°F

The warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in August: 73°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average humidity in August - Natchez, MS
  • Average humidity in August: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August - Natchez, MS
  • Average rainfall in August: 3.82"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (2.17").

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

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

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

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

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

The month with the highest number of snowfall days is January (0.8 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in August / Average sunshine in August - Natchez, MS
  • Average daylight in August: 13.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in August: 10h

The month with the most sunshine is June (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 4.8h).

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

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