August weather forecast
Springfield, VA

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Weather in August

August, the last month of the summer in Springfield, is another warm month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 85.6°F (29.8°C).

Temperature

The advent of August sees the average high-temperature at a warm 85.6°F (29.8°C), subtly shifted from July's 87.6°F (30.9°C). In the month of August, the average low-temperature usually rests at a refreshing 67.3°F (19.6°C).

Heat index

In August, the heat index is estimated at a fiery hot 95°F (35°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In August, the average relative humidity is 72%.

Rainfall

August is the month with the most rainfall in Springfield, Virginia. Rain falls for 17.2 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day in Springfield is 13h and 38min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:19 pm. On the last day of August, in Springfield, sunrise is at 6:37 am and sunset at 7:40 pm EDT.

Sunshine

In Springfield, Virginia, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index in Springfield are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 suggests this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

Is it hot in Springfield during August?

The high-temperature, in August, in Springfield, is 85.6°F (29.8°C), while the low-temperature averages to 67.3°F (19.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 95°F (35°C).

What is the average humidity in August in Springfield?

The average relative humidity in August in Springfield is 72%.

What is the rainiest month in Springfield?

The month with the most rainfall in Springfield is August, when the rain falls for 17.2 days and typically aggregates up to 3.78" (96mm) of precipitation.

How many days does it rain in August in Springfield?

In Springfield, in August, it is raining for 17.2 days, with typically 3.78" (96mm) of accumulated precipitation.

When it does not snow in Springfield?

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

What is the average length of the day in August in Springfield?

In Springfield, the average day length in August is 13h and 38min.

When is the sunrise / sunset in August in Springfield?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:19 pm. On the last day of the month, in Springfield, Virginia, sunrise is at 6:37 am and sunset at 7:40 pm EDT.

How long on average sun shines in August in Springfield?

The average sunshine duration in August in Springfield, Virginia, is 10.3h.

When is the highest UV index in Springfield?

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

What is the UV index intensity in August in Springfield?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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
Springfield, VA

Average temperature in August - Springfield, VA
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in August
Springfield, VA

Average pressure in August - Springfield, VA
  • Average pressure in August: 29.99"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).

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Average wind speed in August
Springfield, VA

Average wind speed in August - Springfield, VA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in August
Springfield, VA

Average humidity in August - Springfield, VA
  • Average humidity in August: 72%

The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in August
Springfield, VA

Average rainfall in August - Springfield, VA
  • Average rainfall in August: 3.78"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in August
Springfield, VA

Average rainfall days in August - Springfield, VA
  • Average rainfall days in August: 17.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in August
Springfield, VA

Average snowfall in August - Springfield, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Springfield, VA

Average snowfall days in August - Springfield, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Springfield, VA

Average daylight in August / Average sunshine in August - Springfield, 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 30min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).

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Average sunshine days in August
Springfield, VA

Average sunshine days in August - Springfield, VA
  • Average sunshine days in August: 11.6 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in August
Springfield, VA

Average UV index in August - Springfield, 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, November and December (UV index 2).

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Average cloud cover in August
Springfield, VA

Average cloud cover in August - Springfield, VA
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Springfield, VA

Average visibility in August - Springfield, VA
  • Average visibility in August: 6mi

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

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Springfield, Virginia, USA

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