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
With August's arrival, Rio notes an average high-temperature of a still moderately hot 82.2°F (27.9°C), closely following the trend of the preceding month. Rio documents a significant temperature variance in August, with the mean nighttime lows settling at a moderate 59°F (15°C).Heat index
August's mean heat index is computed to be a hot 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.The standards for the heat index are set for locations in shade and under light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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.
Humidity
In August, the average relative humidity is 75%.Rainfall
In Rio, in August, during 16.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Rio, there are 166 rainfall days, and 25.83" (656mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Rio.Daylight
The average length of the day in August in Rio, West Virginia, is 13h and 39min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:26 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:46 pm EDT.
Sunshine
In Rio, the average sunshine in August is 10.5h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the UV index of 5 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rio in August?
What is the average humidity in August in Rio?
How much does it rain in Rio in August?
When it does not snow in Rio?
How many hours of daylight does Rio have in August?
When is the sunrise / sunset in August in Rio?
How many hours of sunshine does Rio have in August?
What is the UV index reading in August in Rio?
Average temperature in August
Rio, WV
- Average high temperature in August: 82.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in August: 59°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in August
Rio, WV
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Rio, WV
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Rio, WV
- Average humidity in August: 75%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in August
Rio, WV
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").
Average rainfall days in August
Rio, WV
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in August
Rio, WV
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rio, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rio, WV
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in August
Rio, WV
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in August
Rio, WV
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Rio, WV
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Rio, WV
- Average visibility in August: 5mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
Rio, West Virginia, USA
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