August weather forecast
Sweet Briar, PA

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Weather in August

The last month of the summer, August, is another warm month in Sweet Briar, Pennsylvania, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 83.3°F (28.5°C).

Temperature

The advent of August brings an average high-temperature of a still warm 83.3°F (28.5°C), almost identical to the preceding month. Sweet Briar observes an average low-temperature of 66°F (18.9°C) during August nights.

Heat index

August's mean heat index is appraised at a hot 89.6°F (32°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in August is 73%.

Rainfall

In Sweet Briar, in August, it is raining for 13.7 days, with typically 1.77" (45mm) of accumulated precipitation. In Sweet Briar, during the entire year, the rain falls for 138.2 days and collects up to 15.59" (396mm) of precipitation.

Snowfall

April, June through November are months without snowfall.

Daylight

The average length of the day in August is 13h and 42min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

Sunshine

In Sweet Briar, the average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

During August, Sweet Briar experiences an average high-temperature of 83.3°F (28.5°C) and a low-temperature of 66°F (18.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in August?

In Sweet Briar, the average relative humidity in August is 73%.

How much does it rain in August?

In August, the rain falls for 13.7 days. Throughout August, 1.77" (45mm) of precipitation is accumulated.

When it does not snow?

April, June through November are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 42min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.2h.

When is the highest UV index in Sweet Briar?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Sweet Briar, PA

Average temperature in August - Sweet Briar, 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 (36.7°F).

  • Average low temperature in August: 66°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).

Average pressure in August
Sweet Briar, PA

Average pressure in August - Sweet Briar, 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).

Average wind speed in August
Sweet Briar, PA

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in August
Sweet Briar, PA

Average humidity in August - Sweet Briar, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in August
Sweet Briar, PA

Average rainfall in August - Sweet Briar, PA
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in August
Sweet Briar, PA

Average rainfall days in August - Sweet Briar, PA
  • Average rainfall days in August: 13.7 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in August
Sweet Briar, PA

Average snowfall in August - Sweet Briar, PA
  • Average snowfall in August: 0"

The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in August
Sweet Briar, PA

Average snowfall days in August - Sweet Briar, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Sweet Briar, PA

Average daylight in August / Average sunshine in August - Sweet Briar, 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).

Average sunshine days in August
Sweet Briar, PA

Average sunshine days in August - Sweet Briar, PA
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).

Average UV index in August
Sweet Briar, PA

Average UV index in August - Sweet Briar, 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).

Average cloud cover in August
Sweet Briar, PA

Average cloud cover in August - Sweet Briar, 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 32).

Average visibility in August
Sweet Briar, PA

Average visibility in August - Sweet Briar, 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).

Sweet Briar, Pennsylvania, USA

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