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
The onset of August marks an average high-temperature of a still hot 90.1°F (32.3°C), hardly differing from July's 91°F (32.8°C). During the month of August, the nighttime temperature falls to an average of 69.4°F (20.8°C).Heat index
For August, the heat index is appraised at a scorching 107.6°F (42°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. 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' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. 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. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In August, the average relative humidity is 73%.Rainfall
In Greenbrier, in August, during 12.6 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Greenbrier, during the entire year, the rain falls for 118.6 days and collects up to 13.86" (352mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 13h and 26min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:12 pm. On the last day of August, in Greenbrier, sunrise is at 6:41 am and sunset at 7:37 pm CDT.
Sunshine
The average sunshine in August is 10.6h.UV index
In Greenbrier, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during August leads to these advisories:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Greenbrier have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index reading in August in Greenbrier?
Average temperature in August
Greenbrier, AR
- Average high temperature in August: 90.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in August: 69.4°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in August
Greenbrier, AR
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Greenbrier, AR
- Average wind speed in August: 4.8mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in August
Greenbrier, AR
- Average humidity in August: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Greenbrier, AR
- Average rainfall in August: 1.18"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in August
Greenbrier, AR
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is October (7.2 days).
Average snowfall in August
Greenbrier, AR
- Average snowfall in August: 0"
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Greenbrier, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1.5 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
Greenbrier, AR
- Average daylight in August: 13h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in August
Greenbrier, AR
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (14 days).
Average UV index in August
Greenbrier, AR
- Average UV index in August: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in August
Greenbrier, AR
- Average cloud cover in August: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in August
Greenbrier, AR
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Greenbrier, Arkansas, USA
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