August weather forecast
Chadds Ford, PA

Share

Weather in August

The last month of the summer, August, is another warm month in Chadds Ford, Pennsylvania, with an average temperature fluctuating between 66.7°F (19.3°C) and 82.9°F (28.3°C).

Temperature

The high-temperature average in August for Chadds Ford, Pennsylvania, is a still moderately hot 82.9°F (28.3°C), staying closely aligned with July's conditions. Chadds Ford's nights in August cool down to an average low-temperature of 66.7°F (19.3°C).

Heat index

In August, the average heat index is calculated to be a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Chadds Ford, the average relative humidity in August is 74%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Chadds Ford, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August is 10.1h.

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 exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during August leads to these advisories:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

How hot is it in August?

August temperatures vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 66.7°F (19.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.3 days and typically aggregates up to 4.09" (104mm) of precipitation.

How many days does it rain in August?

In Chadds Ford, Pennsylvania, during August, the rain falls for 17.3 days and regularly aggregates up to 4.09" (104mm) of precipitation.

When it does not snow?

In Chadds Ford, Pennsylvania, snow does not fall in June through September.

What is the average length of the day in August?

In Chadds Ford, Pennsylvania, the average day length in August is 13h and 42min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

How long on average sun shines in August?

In Chadds Ford, the average sunshine duration in August is 10.1h.

When is the highest UV index?

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

What is the UV index intensity 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
Chadds Ford, PA

Average temperature in August - Chadds Ford, PA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in August
Chadds Ford, PA

Average pressure in August - Chadds Ford, 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
Chadds Ford, PA

Average wind speed in August - Chadds Ford, PA
  • Average wind speed in August: 5.4mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Chadds Ford, PA

Average humidity in August - Chadds Ford, PA
  • Average humidity in August: 74%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Chadds Ford, PA

Average rainfall in August - Chadds Ford, PA
  • Average rainfall in August: 4.09"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in August
Chadds Ford, PA

Average rainfall days in August - Chadds Ford, PA
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in August
Chadds Ford, PA

Average snowfall in August - Chadds Ford, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Chadds Ford, PA

Average snowfall days in August - Chadds Ford, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Chadds Ford, PA

Average daylight in August / Average sunshine in August - Chadds Ford, 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 54min).

Average sunshine days in August
Chadds Ford, PA

Average sunshine days in August - Chadds Ford, PA
  • Average sunshine days in August: 11 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

Average UV index in August
Chadds Ford, PA

Average UV index in August - Chadds Ford, 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
Chadds Ford, PA

Average cloud cover in August - Chadds Ford, PA
  • Average cloud cover in August: 33

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
Chadds Ford, PA

Average visibility in August - Chadds Ford, 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).

Chadds Ford, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location