Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Greenville observes a minor difference in average high-temperatures between July's 90.3°F (32.4°C) and August's 89.6°F (32°C). The nights of August anticipate an average low-temperature of 72.1°F (22.3°C).Heat index
For August, the heat index is estimated at an extremely hot 107.6°F (42°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
The average relative humidity in August is 75%.Rainfall
In Greenville, during August, the rain falls for 12.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Greenville, during the entire year, the rain falls for 122.3 days and collects up to 17.64" (448mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in August is 13h and 21min.On the first day of August, sunrise is at 6:17 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:30 pm CDT.
Sunshine
In August, the average sunshine 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 exposure to the Sun's UV rays for ordinary individuals.Note: During August, 7 as the daily maximum UV index converts into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Greenville have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Greenville have in August?
When is the highest UV index in Greenville?
What is the UV index reading in August?
Average temperature in August
Greenville, MS
- Average high temperature in August: 89.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in August: 72.1°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in August
Greenville, MS
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Greenville, MS
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Greenville, MS
- Average humidity in August: 75%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Greenville, MS
- Average rainfall in August: 1.54"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in August
Greenville, MS
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7 days).
Average snowfall in August
Greenville, MS
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Greenville, MS
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.8 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
Greenville, MS
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Greenville, MS
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is October (22.9 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in August
Greenville, 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
Greenville, MS
- Average cloud cover in August: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in August
Greenville, 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).
Greenville, Mississippi, USA
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