August weather forecast
Chevy Chase Heights, PA

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Weather in August

August, the last month of the summer in Chevy Chase Heights, is also a moderately hot month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 79.2°F (26.2°C).

Temperature

Chevy Chase Heights records a slight change with August's average high-temperatures adjusting to a still warm 79.2°F (26.2°C) from July's 81.1°F (27.3°C). The low-temperature averages to a moderate 57.7°F (14.3°C) during the nights of August.

Humidity

The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.

Rainfall

In Chevy Chase Heights, during August, the rain falls for 17.9 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 183.5 rainfall days, and 33.46" (850mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:31 pm. On the last day of August, in Chevy Chase Heights, sunrise is at 6:43 am and sunset at 7:49 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.8h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In August, a regular UV index of 5 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What are August temperatures?

In August, in Chevy Chase Heights, the average high-temperature is 79.2°F (26.2°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', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the least humid month in Chevy Chase Heights?

The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.

What is the average humidity in August?

The average relative humidity in August is 78%.

How many days does it rain in August?

In Chevy Chase Heights, Pennsylvania, in August, during 17.9 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow in Chevy Chase Heights?

In Chevy Chase Heights, snow does not fall in June through September.

How many hours of daylight does Chevy Chase Heights have in August?

In August, the average day length is 13h and 44min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:14 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:49 pm EDT.

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.8h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 9.8h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Chevy Chase Heights, PA

Average temperature in August - Chevy Chase Heights, PA
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in August
Chevy Chase Heights, PA

Average pressure in August - Chevy Chase Heights, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Chevy Chase Heights, PA

Average wind speed in August - Chevy Chase Heights, PA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Chevy Chase Heights, PA

Average humidity in August - Chevy Chase Heights, PA
  • Average humidity in August: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in August
Chevy Chase Heights, PA

Average rainfall in August - Chevy Chase Heights, PA
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in August
Chevy Chase Heights, PA

Average rainfall days in August - Chevy Chase Heights, PA
  • Average rainfall days in August: 17.9 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in August
Chevy Chase Heights, PA

Average snowfall in August - Chevy Chase Heights, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Chevy Chase Heights, PA

Average snowfall days in August - Chevy Chase Heights, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Chevy Chase Heights, PA

Average daylight in August / Average sunshine in August - Chevy Chase Heights, 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 18min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in August
Chevy Chase Heights, PA

Average sunshine days in August - Chevy Chase Heights, PA
  • Average sunshine days in August: 10.8 days

The month with the most sunshine days is November (13.3 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in August
Chevy Chase Heights, PA

Average UV index in August - Chevy Chase Heights, 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).

Average cloud cover in August
Chevy Chase Heights, PA

Average cloud cover in August - Chevy Chase Heights, PA
  • Average cloud cover in August: 37

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in August
Chevy Chase Heights, PA

Average visibility in August - Chevy Chase Heights, PA
  • Average visibility in August: 5mi

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

Chevy Chase Heights, Pennsylvania, USA

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