August weather forecast
Exton, PA

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Weather in August

In Exton, August carries forward the warm temperatures from July with averages between 65.8°F (18.8°C) and 82.4°F (28°C). The maximum rainfall occurs with 1.89" (48mm), slightly higher than July. This month brings about a mild decrease in daylight hours, signaling the approach of the fall season. Although humid days persist, the heat is intermittently relieved by short showers. The climatic pattern makes this month great for reveling in water-based activities.

Temperature

Exton's average high-temperature marks a still moderately hot 82.4°F (28°C) with the advent of August, closely mirroring that of the preceding month. Throughout August, Exton experiences a low-temperature average of 65.8°F (18.8°C).

Heat index

August's heat index is calculated to be a hot 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. 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', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

August is the month with the most rainfall in Exton. Rain falls for 14.4 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

June through October are months without snowfall in Exton.

Daylight

In Exton, the average length of the day in August is 13h and 42min.
On the first day of August in Exton, Pennsylvania, sunrise is at 6:01 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:35 pm EDT.

Sunshine

The average sunshine in August in Exton is 9.8h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Exton, Pennsylvania. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August leads to these instructions:
Ward off overexposure. Defence against solar harm is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot is it in Exton in August?

The average high-temperature, in August, in Exton, is 82.4°F (28°C), while the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 87.8°F (31°C).

What is the average humidity in August in Exton?

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

What is the wettest month in Exton?

August is the month with the most rainfall in Exton. Rain falls for 14.4 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Exton in August?

In August, in Exton, the rain falls for 14.4 days. Throughout August, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Exton?

In Exton, snow does not fall in June through October.

What is the average length of the day in August in Exton?

In August, the average day length in Exton is 13h and 42min.

When are sunrise and sunset in August in Exton?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:16 pm. On the last day of the month, in Exton, Pennsylvania, sunrise is at 6:30 am and sunset at 7:35 pm EDT.

How long on average sun shines in August in Exton?

The average sunshine duration in August in Exton, Pennsylvania, is 9.8h.

When is the highest UV index in Exton?

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

How high is the UV index in August in Exton?

In Exton, Pennsylvania, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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
Exton, PA

Average temperature in August - Exton, PA
  • Average high temperature in August: 82.4°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 (36.1°F).

  • Average low temperature in August: 65.8°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
Exton, PA

Average pressure in August - Exton, 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
Exton, PA

Average wind speed in August - Exton, PA
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
Exton, PA

Average humidity in August - Exton, PA
  • Average humidity in August: 74%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).

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Average rainfall in August
Exton, PA

Average rainfall in August - Exton, PA
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in August
Exton, PA

Average rainfall days in August - Exton, PA
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).

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Average snowfall in August
Exton, PA

Average snowfall in August - Exton, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Exton, PA

Average snowfall days in August - Exton, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Exton, PA

Average daylight in August / Average sunshine in August - Exton, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Exton, PA

Average sunshine days in August - Exton, PA
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in August
Exton, PA

Average UV index in August - Exton, 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
Exton, PA

Average cloud cover in August - Exton, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in August
Exton, PA

Average visibility in August - Exton, 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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Exton, Pennsylvania, USA

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