August weather forecast
Washington, PA

Weather in August

August, the last month of the summer in Washington, is another warm month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 82°F (27.8°C).

Temperature

In Washington, the average high-temperature in August is essentially the same as in July - a still moderately hot 82°F (27.8°C). In August, the average low-temperature is 59.9°F (15.5°C).

Heat index

The average heat index in August is appraised at a hot 88.2°F (31.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, wind, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

April, July and August, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Washington, during August, the rain falls for 14.8 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Washington, there are 143 rainfall days, and 14.8" (376mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Washington, Pennsylvania, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:35 pm. On the last day of August, in Washington, sunrise is at 6:47 am and sunset at 7:54 pm EDT.

Sunshine

The month with the most sunshine in Washington is August, with an average of 10.2h of sunshine.

UV index

June 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 unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Washington?

The average high-temperature, in August, in Washington, Pennsylvania, is 82°F (27.8°C), while the average low-temperature is 59.9°F (15.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 88.2°F (31.2°C).

What is the least humid month in Washington?

April, July and August, with an average relative humidity of 77%, are the least humid months in Washington.

What is the average humidity in August in Washington?

The average relative humidity in August in Washington, Pennsylvania, is 77%.

How much does it rain in Washington in August?

In August, in Washington, Pennsylvania, the rain falls for 14.8 days. Throughout August, 1.26" (32mm) of precipitation is accumulated.

When it does not snow in Washington?

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

How many hours of daylight does Washington have in August?

In Washington, Pennsylvania, the average day length in August is 13h and 43min.

What time are sunrise and sunset in August in Washington?

On the first day of August, sunrise is at 6:19 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:54 pm EDT.

What month has the most sunshine in Washington?

August has the most sunshine of the year in Washington, Pennsylvania, with an average of 10.2h of sunshine.

How long on average sun shines in August in Washington?

In Washington, the average sunshine duration in August is 10.2h.

When is the highest UV index in Washington?

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

How high is the UV index in August in Washington?

The average daily maximum UV index in August in Washington is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Washington, PA

Average temperature in August - Washington, PA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in August
Washington, PA

Average pressure in August - Washington, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Washington, PA

Average wind speed in August - Washington, PA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in August
Washington, PA

Average humidity in August - Washington, PA
  • Average humidity in August: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in August
Washington, PA

Average rainfall in August - Washington, PA
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is July (1.65").
The driest months (with the least rainfall) are January and November (0.94").

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Average rainfall days in August
Washington, PA

Average rainfall days in August - Washington, PA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in August
Washington, PA

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

The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Washington, PA

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

The month with the highest number of snowfall days is January (9.8 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
Washington, PA

Average daylight in August / Average sunshine in August - Washington, PA
  • Average daylight in August: 13h and 43min

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 22min).

  • Average sunshine in August: 10h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in August
Washington, PA

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

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in August
Washington, PA

Average UV index in August - Washington, PA
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Washington, PA

Average cloud cover in August - Washington, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Washington, PA

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

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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