August weather forecast
Plymouth Meeting, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Plymouth Meeting, Pennsylvania, with an average temperature fluctuating between 83.3°F (28.5°C) and 66°F (18.9°C).

Temperature

A minor adjustment in Plymouth Meeting's average high-temperature is noted with the start of August, touching a still warm 83.3°F (28.5°C) from July's 85.6°F (29.8°C). Plymouth Meeting's temperature lowers to a mean of 66°F (18.9°C) during the nights in August.

Heat index

For August, the heat index is computed to be a hot 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Plymouth Meeting, the average relative humidity in August is 73%.

Rainfall

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

Snowfall

In Plymouth Meeting, Pennsylvania, snow does not fall in April, June through November.

Daylight

In Plymouth Meeting, Pennsylvania, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:33 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. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

During August, Plymouth Meeting 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. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in August?

In Plymouth Meeting, Pennsylvania, the average relative humidity in August is 73%.

How many days does it rain in August?

In Plymouth Meeting, during August, the rain falls for 13.7 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Plymouth Meeting?

In Plymouth Meeting, snow does not fall in April, June through November.

What is the average length of the day in August?

The average day length in August is 13h and 43min.

What time are sunrise and sunset in August?

In August, on the first day of the month, 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 many hours of sunshine does Plymouth Meeting have in August?

The average sunshine duration in August is 10.2h.

What are the months with the highest UV index?

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
Plymouth Meeting, PA

Average temperature in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average pressure in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average wind speed in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average humidity in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average rainfall in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average rainfall days in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average snowfall in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average snowfall days in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average daylight in August / Average sunshine in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average sunshine days in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average UV index in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average cloud cover in August - Plymouth Meeting, 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
Plymouth Meeting, PA

Average visibility in August - Plymouth Meeting, 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).

Plymouth Meeting, Pennsylvania, USA

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