August weather forecastMcSwain, MS
August
Weather in August
The last month of the summer, August, is also a hot month in McSwain, Mississippi, with temperature in the range of an average high of 91.8°F (33.2°C) and an average low of 73°F (22.8°C).Temperature
The warmest period tends to be August, when average temperatures fluctuate between a high of 91.8°F (33.2°C) and a low of 73°F (22.8°C).Heat index
The heat index value during August is appraised at a life-threatening hot 114.8°F (46°C). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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's vital to remain hydrated, particularly during prolonged physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
In August, the average relative humidity is 75%.Rainfall
In August, the rain falls for 22.3 days. Throughout August, 3.98" (101mm) of precipitation is accumulated. Throughout the year, in McSwain, Mississippi, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in August is 13h and 15min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:51 pm. On the last day of August, in McSwain, sunrise is at 6:31 am and sunset at 7:20 pm CDT.
Sunshine
In McSwain, the average sunshine in August is 10.3h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index in McSwain, Mississippi. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 7 in August transforms into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
McSwain, MS
- Average high temperature in August: 91.8°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°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 (39.7°F).
Average pressure in August
McSwain, MS
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in August
McSwain, MS
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in August
McSwain, MS
- Average humidity in August: 75%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
McSwain, MS
- Average rainfall in August: 3.98"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in August
McSwain, MS
- Average rainfall days in August: 22.3 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in August
McSwain, MS
- Average snowfall in August: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
McSwain, MS
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The 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
McSwain, MS
- Average daylight in August: 13h and 18min
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 12min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in August
McSwain, MS
- Average sunshine days in August: 6.4 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in August
McSwain, 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
McSwain, 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).
Average visibility in August
McSwain, MS
- Average visibility in August: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





