Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average high-temperature is a warm 84°F (28.9°C) in August, hardly different from the 86.4°F (30.2°C) recorded in July. Philadelphia throughout August, records an average low-temperature of 68°F (20°C).Heat index
The heat index for August is computed to be a hot 91.4°F (33°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The months with the lowest humidity in Philadelphia are April and August, with an average relative humidity of 71%.Rainfall
August is the month with the most rainfall in Philadelphia. Rain falls for 13.3 days and accumulates 1.65" (42mm) of precipitation.Snowfall
June through October are months without snowfall in Philadelphia, Pennsylvania.Ocean temperature
August is the month with the warmest seawater in Philadelphia, Pennsylvania, with an average ocean temperature of 75.9°F (24.4°C).Note: People sensitive to cold might find swimming in 75.9°F (24.4°C) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.
Daylight
In August, the average length of the day in Philadelphia is 13h and 42min.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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Frequently asked questions
Is it hot in Philadelphia during August?
What is the least humid month in Philadelphia?
What is the average humidity in August in Philadelphia?
What is the wettest month in Philadelphia?
How many days does it rain in August in Philadelphia?
When it does not snow in Philadelphia?
When is the ocean warmest in Philadelphia?
How warm is the water in August in Philadelphia?
How many hours of daylight does Philadelphia have in August?
When is the sunrise / sunset in August in Philadelphia?
How many hours of sunshine does Philadelphia have in August?
What is the month with the highest UV index in Philadelphia?
How high is the UV index in August in Philadelphia?
Average temperature in August
Philadelphia, PA
- Average high temperature in August: 84°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in August: 68°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in August
Philadelphia, PA
- Average pressure in August: 29.98"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
Philadelphia, PA
- Average wind speed in August: 5.6mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Philadelphia, PA
- Average humidity in August: 71%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in August
Philadelphia, PA
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in August
Philadelphia, PA
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in August
Philadelphia, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Philadelphia, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in August
Philadelphia, PA
- Average sea temperature in August: 75.9°F
The best month for swimming (with the highest average sea temperature) is August (75.9°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in August /
Average sunshine in August
Philadelphia, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Philadelphia, PA
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in August
Philadelphia, 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, November and December (UV index 2).
Average cloud cover in August
Philadelphia, PA
- Average cloud cover in August: 32
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Philadelphia, PA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Philadelphia, Pennsylvania, USA
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