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
August's weather displays an average high-temperature of a still warm 84.6°F (29.2°C), slightly varied from July's 85.6°F (29.8°C). The average low-temperature of 65.8°F (18.8°C) is witnessed in Greenbrier, Indiana, during August.Heat index
August's mean heat index is computed to be a torrid 95°F (35°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
In Greenbrier, the average relative humidity in August is 77%.Rainfall
In Greenbrier, in August, it is raining for 15.6 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 172 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August in Greenbrier is 13h and 36min.On the first day of August in Greenbrier, sunrise is at 5:52 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:19 pm CDT.
Sunshine
June through August, with an average of 10.4h of sunshine, are months with the most sunshine in Greenbrier.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Greenbrier during August?
What is the average humidity in August in Greenbrier?
How many days does it rain in August in Greenbrier?
When it does not snow in Greenbrier?
How many hours of daylight does Greenbrier have in August?
What time are sunrise and sunset in August in Greenbrier?
What are the months with the most sunshine in Greenbrier?
How many hours of sunshine does Greenbrier have in August?
When is the highest UV index in Greenbrier?
How high is the UV index in August in Greenbrier?
Average temperature in August
Greenbrier, IN
- Average high temperature in August: 84.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in August
Greenbrier, IN
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Greenbrier, IN
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in August
Greenbrier, IN
- Average humidity in August: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Greenbrier, IN
- Average rainfall in August: 2.91"
The wettest month (with the highest rainfall) is April (5.31").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in August
Greenbrier, IN
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in August
Greenbrier, IN
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Greenbrier, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Greenbrier, IN
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 10h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in August
Greenbrier, IN
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in August
Greenbrier, IN
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Greenbrier, IN
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in August
Greenbrier, IN
- 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).
Greenbrier, Indiana, USA
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