August weather forecast
Hartsville, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hartsville, Pennsylvania, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 83.3°F (28.5°C).

Temperature

Hartsville marks the onset of August with an average high-temperature of a still warm 83.3°F (28.5°C), a subtle shift from July's 85.6°F (29.8°C). Hartsville anticipates an average minimum temperature of 66.2°F (19°C) in the month of August.

Heat index

In August, the average heat index is evaluated at a tropical 89.6°F (32°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

Rainfall

In Hartsville, Pennsylvania, in August, during 8.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, in Hartsville, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.

Snowfall

In Hartsville, Pennsylvania, snow does not fall in June through October.

Daylight

The average length of the day in August in Hartsville is 13h and 43min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:33 pm EDT.

Sunshine

In Hartsville, the average sunshine in August 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 value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 6 in August transforms into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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 Hartsville during August?

In August, in Hartsville, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 66.2°F (19°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the least humid month in Hartsville?

April, July and August, with an average relative humidity of 72%, are the least humid months in Hartsville, Pennsylvania.

What is the average humidity in August in Hartsville?

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

How many days does it rain in August in Hartsville?

In August, in Hartsville, Pennsylvania, the rain falls for 8.5 days. Throughout August, 0.59" (15mm) of precipitation is accumulated.

When it does not snow in Hartsville?

In Hartsville, Pennsylvania, snow does not fall in June through October.

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

In Hartsville, the average day length in August is 13h and 43min.

When are sunrise and sunset in August in Hartsville?

On the first day of August, sunrise is at 5:58 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Hartsville have in August?

In August, the average sunshine duration in Hartsville is 10.2h.

What are the months with the highest UV index in Hartsville?

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

What is the UV index intensity in August in Hartsville?

In Hartsville, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Hartsville, PA

Average temperature in August - Hartsville, PA
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 66.2°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in August
Hartsville, PA

Average pressure in August - Hartsville, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Hartsville, PA

Average wind speed in August - Hartsville, PA
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
Hartsville, PA

Average humidity in August - Hartsville, PA
  • Average humidity in August: 72%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in August
Hartsville, PA

Average rainfall in August - Hartsville, PA
  • Average rainfall in August: 0.59"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in August
Hartsville, PA

Average rainfall days in August - Hartsville, PA
  • Average rainfall days in August: 8.5 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in August
Hartsville, PA

Average snowfall in August - Hartsville, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Hartsville, PA

Average snowfall days in August - Hartsville, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Hartsville, PA

Average daylight in August / Average sunshine in August - Hartsville, PA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in August
Hartsville, PA

Average sunshine days in August - Hartsville, PA
  • Average sunshine days in August: 20.3 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).

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Average UV index in August
Hartsville, PA

Average UV index in August - Hartsville, PA
  • 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, March, November and December (UV index 2).

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Average cloud cover in August
Hartsville, PA

Average cloud cover in August - Hartsville, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Hartsville, PA

Average visibility in August - Hartsville, PA
  • 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).

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Hartsville, Pennsylvania, USA

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