August weather forecastSelmer, TN
August
Weather in August
August, the last month of the summer in Selmer, is another hot month, with an average temperature ranging between min 69.1°F (20.6°C) and max 88.5°F (31.4°C).Temperature
Selmer transitions into August recording an average high-temperature of a still hot 88.5°F (31.4°C), closely aligning with the preceding month's temperature. Selmer experiences a consistent average temperature of 69.1°F (20.6°C) throughout the nights in August.Heat index
In August, the heat index is estimated at a blisteringly hot 104°F (40°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.The standards for the heat index are set for locations in shade and under light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
The average relative humidity in August is 75%.Rainfall
In Selmer, during August, the rain falls for 16.8 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Selmer, during the entire year, the rain falls for 168.2 days and collects up to 38.94" (989mm) of precipitation.Snowfall
In Selmer, snow does not fall in April through October.Daylight
In Selmer, the average length of the day in August is 13h and 26min.On the first day of August, sunrise is at 6:04 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:22 pm CDT.
Sunshine
In Selmer, the average sunshine in August is 10.4h.UV index
In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in August leads to these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Selmer, TN
- Average high temperature in August: 88.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in August: 69.1°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in August
Selmer, TN
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Selmer, TN
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in August
Selmer, TN
- Average humidity in August: 75%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Selmer, TN
- Average rainfall in August: 3.43"
The wettest month (with the highest rainfall) is February (4.72").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in August
Selmer, TN
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in August
Selmer, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Selmer, TN
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Selmer, TN
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Selmer, TN
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in August
Selmer, TN
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Selmer, TN
- Average cloud cover in August: 29
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in August
Selmer, TN
- 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).
