August weather forecast
South Boston, VA

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Weather in August

The last month of the summer, August, is another hot month in South Boston, Virginia, with an average temperature ranging between min 66.7°F (19.3°C) and max 88.2°F (31.2°C).

Temperature

August's presence records an average high-temperature of a still tropical 88.2°F (31.2°C), closely mirroring July's climate. Throughout August, South Boston anticipates an average low-temperature of 66.7°F (19.3°C).

Heat index

The heat index value for August is evaluated at a fiery hot 102.2°F (39°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in August is 72%.

Rainfall

In August, the rain falls for 15.9 days. Throughout August, 2.44" (62mm) of precipitation is accumulated. In South Boston, during the entire year, the rain falls for 157.9 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 31min.
On the first day of August, sunrise is at 6:22 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:44 pm EDT.

Sunshine

In August, the average sunshine is 10.3h.

UV index

In South Boston, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

South Boston in August has an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 102.2°F (39°C).

What is the average humidity in August?

In South Boston, the average relative humidity in August is 72%.

How many days does it rain in August?

In South Boston, in August, it is raining for 15.9 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 31min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:44 pm EDT.

How long on average sun shines in August in South Boston?

In August, the average sunshine duration is 10.3h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
South Boston, VA

Average temperature in August - South Boston, VA
  • Average high temperature in August: 88.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in August
South Boston, VA

Average pressure in August - South Boston, VA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in August
South Boston, VA

Average wind speed in August - South Boston, VA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in August
South Boston, VA

Average humidity in August - South Boston, VA
  • Average humidity in August: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in August
South Boston, VA

Average rainfall in August - South Boston, VA
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
South Boston, VA

Average rainfall days in August - South Boston, VA
  • Average rainfall days in August: 15.9 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in August
South Boston, VA

Average snowfall in August - South Boston, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
South Boston, VA

Average snowfall days in August - South Boston, VA
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (3.1 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
South Boston, VA

Average daylight in August / Average sunshine in August - South Boston, VA
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in August
South Boston, VA

Average sunshine days in August - South Boston, VA
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in August
South Boston, VA

Average UV index in August - South Boston, VA
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in August
South Boston, VA

Average cloud cover in August - South Boston, VA
  • Average cloud cover in August: 34

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in August
South Boston, VA

Average visibility in August - South Boston, VA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

South Boston, Virginia, USA

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