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
Rio records an average high-temperature of a moderately hot 85.6°F (29.8°C) in August, maintaining a close correlation with July's 88.2°F (31.2°C). August nights see a notable contrast from daytime highs, with the nighttime temperature averaging at a refreshing 63.3°F (17.4°C).Heat index
Throughout August, the heat index is estimated at a very hot 96.8°F (36°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Note that heat index values are valued for light wind and location in the shade. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
In Rio, the average relative humidity in August is 74%.Rainfall
In Rio, Virginia, during August, the rain falls for 16.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Rio, during the entire year, the rain falls for 155.9 days and collects up to 27.99" (711mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Rio, the average length of the day in August is 13h and 35min.On the first day of August in Rio, Virginia, sunrise is at 6:17 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:44 pm EDT.
Sunshine
The average sunshine in August in Rio, Virginia, is 10.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Rio, Virginia. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during August leads to these advisories:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
How hot is August in Rio?
What is the average humidity in August in Rio?
How many days does it rain in August in Rio?
When it does not snow in Rio?
What is the average length of the day in August in Rio?
What time are sunrise and sunset in August in Rio?
How many hours of sunshine does Rio have in August?
What is the month with the highest UV index in Rio?
What is the UV index intensity in August in Rio?
Average temperature in August
Rio, VA
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in August: 63.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in August
Rio, VA
- 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 (29.96"Hg).
Average wind speed in August
Rio, VA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Rio, VA
- Average humidity in August: 74%
The months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in August
Rio, VA
- Average rainfall in August: 2.68"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in August
Rio, VA
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in August
Rio, VA
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Rio, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Rio, VA
- 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 1min
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 24min).
Average sunshine days in August
Rio, VA
- Average sunshine days in August: 12 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in August
Rio, VA
- 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, November and December (UV index 2).
Average cloud cover in August
Rio, VA
- Average cloud cover in August: 34
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in August
Rio, VA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Rio, Virginia, USA
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