August weather forecast
Sterling, PA

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Weather in August

August, the last month of the summer in Sterling, is another warm month, with an average temperature fluctuating between 57.7°F (14.3°C) and 78.3°F (25.7°C).

Temperature

The introduction of August sees an average high-temperature of a still warm 78.3°F (25.7°C), hardly deviating from July. Throughout the August nights, Sterling encounters a low-temperature of 57.7°F (14.3°C).

Humidity

The average relative humidity in August in Sterling is 79%.

Rainfall

In Sterling, in August, during 15.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Sterling, during the entire year, the rain falls for 154.8 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

In Sterling, snow does not fall in June through September.

Daylight

In Sterling, the average length of the day in August is 13h and 47min.
On the first day of August in Sterling, sunrise is at 5:57 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:35 pm EDT.

Sunshine

In August, the average sunshine is 9.6h.

UV index

The months with the highest UV index in Sterling are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - It is counselled to guard against solar damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are August temperatures in Sterling?

In August, in Sterling, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 57.7°F (14.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Sterling?

In August, the average relative humidity is 79%.

How much does it rain in Sterling in August?

In August, in Sterling, Pennsylvania, the rain falls for 15.3 days. Throughout August, 2.91" (74mm) of precipitation is accumulated.

When it does not snow in Sterling?

June through September are months without snowfall.

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

In Sterling, the average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Sterling?

On the first day of August, sunrise is at 5:57 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:35 pm EDT.

How many hours of sunshine does Sterling have in August?

In Sterling, Pennsylvania, the average sunshine duration in August is 9.6h.

When is the highest UV index in Sterling?

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

What is the UV index intensity in August in Sterling?

In August, the average daily maximum UV index in Sterling is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Sterling, PA

Average temperature in August - Sterling, PA
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in August
Sterling, PA

Average pressure in August - Sterling, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Sterling, PA

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

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

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Average humidity in August
Sterling, PA

Average humidity in August - Sterling, PA
  • Average humidity in August: 79%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in August
Sterling, PA

Average rainfall in August - Sterling, PA
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Sterling, PA

Average rainfall days in August - Sterling, PA
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in August
Sterling, PA

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

The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Sterling, PA

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

The month with the highest number of snowfall days is January (13.3 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
Sterling, PA

Average daylight in August / Average sunshine in August - Sterling, PA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in August
Sterling, PA

Average sunshine days in August - Sterling, PA
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in August
Sterling, PA

Average UV index in August - Sterling, 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
Sterling, PA

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

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in August
Sterling, PA

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

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).

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Sterling, Pennsylvania, USA

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