August weather forecast
Sewickley, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Sewickley, Pennsylvania, with an average temperature ranging between min 60.4°F (15.8°C) and max 82°F (27.8°C).

Temperature

The onset of August brings with it an average high-temperature of a still warm 82°F (27.8°C), showing a negligible variation from the month before. In August, Sewickley experiences a significant drop from daily zeniths to an average nighttime temperature of 60.4°F (15.8°C).

Heat index

The average heat index in August is estimated at a tropical 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

Rainfall

In August, the rain falls for 15.3 days. Throughout August, 1.73" (44mm) of precipitation is accumulated. In Sewickley, during the entire year, the rain falls for 154.8 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

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

Daylight

In Sewickley, Pennsylvania, the average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

Sunshine

With an average of 10h of sunshine, August has the most sunshine of the year.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the UV index of 5 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the temperature in August?

During August, Sewickley experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 60.4°F (15.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

What are the least humid months?

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

What is the average humidity in August?

The average relative humidity in August is 75%.

How many days does it rain in August?

In Sewickley, in August, it is raining for 15.3 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

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

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

The average day length in August is 13h and 44min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:18 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10h of sunshine.

How many hours of sunshine does Sewickley have in August?

The average sunshine duration in August is 10h.

What is the UV index reading in August?

In Sewickley, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Sewickley, PA

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 60.4°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 (20.3°F).

Average pressure in August
Sewickley, PA

Average pressure in August - Sewickley, 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
Sewickley, PA

Average wind speed in August - Sewickley, PA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in August
Sewickley, PA

Average humidity in August - Sewickley, PA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in August
Sewickley, PA

Average rainfall in August - Sewickley, PA
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is July (2.36").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in August
Sewickley, PA

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

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in August
Sewickley, PA

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

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Sewickley, PA

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

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Sewickley, 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: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in August
Sewickley, PA

Average sunshine days in August - Sewickley, PA
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in August
Sewickley, PA

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

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

Average cloud cover in August
Sewickley, PA

Average cloud cover in August - Sewickley, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
Sewickley, PA

Average visibility in August - Sewickley, PA
  • Average visibility in August: 6mi

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

Sewickley, Pennsylvania, USA

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