August weather forecastPlymouth Meeting, PA
August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 42min
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 12min
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: 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: 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: 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: 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).





