August weather forecastDexter, MS
August
Weather in August
August, the last month of the summer in Dexter, is another hot month, with temperature in the range of an average low of 72.7°F (22.6°C) and an average high of 90.5°F (32.5°C).Temperature
Dexter's shift from July to August is accompanied by an average high-temperature of a still hot 90.5°F (32.5°C), a slight deviation from 91°F (32.8°C). Throughout the month of August, Dexter expects an average low of 72.7°F (22.6°C).Heat index
August's heat index is appraised at a burning hot 113°F (45°C). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. 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 extremely significant for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In Dexter, the average relative humidity in August is 77%.Rainfall
August is the month with the most rainfall. Rain falls for 20.3 days and accumulates 4.13" (105mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in August is 13h and 14min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:54 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:24 pm CDT.
Sunshine
In Dexter, the average sunshine in August is 10.1h.UV index
In August, the average daily maximum UV index is 6. 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: In August, the maximum UV index of 6 suggests this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dexter, MS
- Average high temperature in August: 90.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in August: 72.7°F
The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in August
Dexter, 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
Dexter, MS
- Average wind speed in August: 4.6mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in August
Dexter, MS
- Average humidity in August: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Dexter, MS
- Average rainfall in August: 4.13"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in August
Dexter, MS
- Average rainfall days in August: 20.3 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in August
Dexter, MS
- Average snowfall in August: 0"
The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Dexter, 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
Dexter, MS
- Average daylight in August: 13h and 12min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in August
Dexter, MS
- Average sunshine days in August: 9.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in August
Dexter, MS
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in August
Dexter, MS
- Average cloud cover in August: 35
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in August
Dexter, MS
- Average visibility in August: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).





