August weather forecast
Summerville, PA

Weather in August

August, the last month of the summer in Summerville, is also a moderately hot month, with an average temperature varying between 56.7°F (13.7°C) and 78.6°F (25.9°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still moderately hot 78.6°F (25.9°C). The average low-temperature, in August, is 56.7°F (13.7°C).

Humidity

June through August, with an average relative humidity of 78%, are the least humid months.

Rainfall

In August, the rain falls for 14.3 days. Throughout August, 1.46" (37mm) of precipitation is accumulated. In Summerville, Pennsylvania, during the entire year, the rain falls for 150.5 days and collects up to 22.05" (560mm) of precipitation.

Snowfall

June through September are months without snowfall in Summerville.

Daylight

In Summerville, the average length of the day in August is 13h and 46min.
On the first day of August, sunrise is at 6:12 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:51 pm EDT.

Sunshine

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Summerville.

UV index

The months with the highest UV index in Summerville are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Summerville?

In August, in Summerville, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 56.7°F (13.7°C). in July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What are the least humid months in Summerville?

June through August, with an average relative humidity of 78%, are the least humid months in Summerville.

What is the average humidity in August in Summerville?

In Summerville, Pennsylvania, the average relative humidity in August is 78%.

How many days does it rain in August in Summerville?

In August, the rain falls for 14.3 days. Throughout August, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Summerville?

June through September are months without snowfall in Summerville, Pennsylvania.

How many hours of daylight does Summerville have in August?

The average day length in August is 13h and 46min.

What time are sunrise and sunset in August in Summerville?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:33 pm. On the last day of the month, in Summerville, Pennsylvania, sunrise is at 6:42 am and sunset at 7:51 pm EDT.

What is the month with the most sunshine in Summerville?

The months with the most sunshine in Summerville are July and August, with an average of 9.7h of sunshine.

How long on average sun shines in August in Summerville?

The average sunshine duration in August in Summerville, Pennsylvania, is 9.7h.

When is the highest UV index in Summerville?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Summerville.

What is the UV index intensity in August in Summerville?

The average daily maximum UV index in August in Summerville is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Summerville, PA

Average temperature in August - Summerville, PA
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in August: 56.7°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in August
Summerville, PA

Average pressure in August - Summerville, PA
  • Average pressure in August: 30"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
Summerville, PA

Average wind speed in August - Summerville, PA
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in August
Summerville, PA

Average humidity in August - Summerville, PA
  • Average humidity in August: 78%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

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Average rainfall in August
Summerville, PA

Average rainfall in August - Summerville, PA
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is November (1.26").

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Average rainfall days in August
Summerville, PA

Average rainfall days in August - Summerville, PA
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in August
Summerville, PA

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

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Summerville, PA

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

The month with the highest number of snowfall days is January (18 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
Summerville, PA

Average daylight in August / Average sunshine in August - Summerville, PA
  • Average daylight in August: 13h and 46min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in August: 9h and 42min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days in August
Summerville, PA

Average sunshine days in August - Summerville, PA
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.1 days).

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Average UV index in August
Summerville, PA

Average UV index in August - Summerville, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Summerville, PA

Average cloud cover in August - Summerville, PA
  • Average cloud cover in August: 39

The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in August
Summerville, PA

Average visibility in August - Summerville, PA
  • Average visibility in August: 5mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is February (4mi).

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