August weather forecast
Commonwealth, VA

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Weather in August

The last month of the summer, August, is another warm month in Commonwealth, Virginia, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 63.3°F (17.4°C).

Temperature

Commonwealth observes an average high-temperature of a warm 85.6°F (29.8°C) in August, barely different from 88.2°F (31.2°C) in July. Commonwealth observes a substantial disparity between daytime high and the average low-temperature of 63.3°F (17.4°C) during August nights.

Heat index

The heat index in August is estimated at a sweltering 96.8°F (36°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Commonwealth, the average relative humidity in August is 74%.

Rainfall

In Commonwealth, during August, the rain falls for 16.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 155.9 rainfall days, and 27.99" (711mm) of precipitation is accumulated.

Snowfall

In Commonwealth, snow does not fall in May through October.

Daylight

The average length of the day in August in Commonwealth is 13h and 35min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:23 pm. On the last day of August, in Commonwealth, sunrise is at 6:43 am and sunset at 7:44 pm EDT.

Sunshine

In August, the average sunshine is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Commonwealth during August?

In August, in Commonwealth, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 96.8°F (36°C).

What is the average humidity in August?

The average relative humidity in August in Commonwealth is 74%.

How many days does it rain in August in Commonwealth?

In August, the rain falls for 16.8 days. Throughout August, 2.68" (68mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Commonwealth have in August?

In August, the average day length is 13h and 35min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:17 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:44 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Commonwealth, VA

Average temperature in August - Commonwealth, 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
Commonwealth, VA

Average pressure in August - Commonwealth, 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
Commonwealth, VA

Average wind speed in August - Commonwealth, 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
Commonwealth, VA

Average humidity in August - Commonwealth, 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
Commonwealth, VA

Average rainfall in August - Commonwealth, 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
Commonwealth, VA

Average rainfall days in August - Commonwealth, 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
Commonwealth, VA

Average snowfall in August - Commonwealth, 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
Commonwealth, VA

Average snowfall days in August - Commonwealth, 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
Commonwealth, VA

Average daylight in August / Average sunshine in August - Commonwealth, 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
Commonwealth, VA

Average sunshine days in August - Commonwealth, 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
Commonwealth, VA

Average UV index in August - Commonwealth, 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
Commonwealth, VA

Average cloud cover in August - Commonwealth, 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
Commonwealth, VA

Average visibility in August - Commonwealth, 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).

Commonwealth, Virginia, USA

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