August weather forecast
King of Prussia, PA

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Weather in August

August sees a slight downturn in temperature compared to July, although the summer heat continues to dominate. The daylight hours reduce slightly, indicating the forthcoming end of summer. The fairness of the weather permits a multitude of outdoor activities. The city's temperature ranges from 66°F (18.9°C) to 83.3°F (28.5°C) in August, experiencing 1.77" (45mm) of rainfall across almost 14 days. Despite the slight drop in temperatures, August remains a full-fledged summer month in King of Prussia.

Temperature

The advent of August in King of Prussia, Pennsylvania, brings an average high-temperature of a still moderately hot 83.3°F (28.5°C), almost identical to the preceding month. King of Prussia experiences a nighttime temperature average of 66°F (18.9°C) during August.

Heat index

The heat index value for August is evaluated at a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. 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 particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in August is 73%.

Rainfall

In King of Prussia, Pennsylvania, during August, the rain falls for 13.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

Snowfall

In King of Prussia, snow does not fall in April, June through November.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of August, in King of Prussia, sunrise is at 6:28 am and sunset at 7:34 pm EDT.

Sunshine

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 in King of Prussia. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is August in King of Prussia?

In King of Prussia, 83.3°F (28.5°C) is the average high-temperature and 66°F (18.9°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 89.6°F (32°C).

What is the average humidity in August in King of Prussia?

The average relative humidity in August is 73%.

How much does it rain in King of Prussia in August?

In King of Prussia, in August, during 13.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in King of Prussia?

In King of Prussia, Pennsylvania, snow does not fall in April, June through November.

What is the average length of the day in August in King of Prussia?

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

When are sunrise and sunset in August in King of Prussia?

On the first day of August in King of Prussia, Pennsylvania, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:34 pm EDT.

How long on average sun shines in August in King of Prussia?

In King of Prussia, Pennsylvania, the average sunshine duration in August is 10.2h.

What are the months with the highest UV index in King of Prussia?

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

What is the UV index intensity in August in King of Prussia?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes 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
King of Prussia, PA

Average temperature in August - King of Prussia, 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).

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Average pressure in August
King of Prussia, PA

Average pressure in August - King of Prussia, 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
King of Prussia, PA

Average wind speed in August - King of Prussia, 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).

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Average humidity in August
King of Prussia, PA

Average humidity in August - King of Prussia, 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%).

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Average rainfall in August
King of Prussia, PA

Average rainfall in August - King of Prussia, 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").

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Average rainfall days in August
King of Prussia, PA

Average rainfall days in August - King of Prussia, 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).

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Average snowfall in August
King of Prussia, PA

Average snowfall in August - King of Prussia, 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").

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Average snowfall days in August
King of Prussia, PA

Average snowfall days in August - King of Prussia, 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).

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Average daylight in August /
Average sunshine in August
King of Prussia, PA

Average daylight in August / Average sunshine in August - King of Prussia, 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
King of Prussia, PA

Average sunshine days in August - King of Prussia, 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).

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Average UV index in August
King of Prussia, PA

Average UV index in August - King of Prussia, 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
King of Prussia, PA

Average cloud cover in August - King of Prussia, 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).

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Average visibility in August
King of Prussia, PA

Average visibility in August - King of Prussia, 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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King of Prussia, Pennsylvania, USA

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