August weather forecast
West Mifflin, PA

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Weather in August

August, the last month of the summer in West Mifflin, is also a moderately hot month, with an average temperature varying between 61°F (16.1°C) and 81.9°F (27.7°C).

Temperature

West Mifflin sees the arrival of August with an average high-temperature of a still moderately hot 81.9°F (27.7°C), indicating a subtle variation from July. During the nights in August, the temperature averages to an enjoyable 61°F (16.1°C).

Heat index

In August, the heat index is evaluated at a tropical 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

With an average relative humidity of 74%, August is the least humid month.

Rainfall

In August, the rain falls for 12.1 days. Throughout August, 0.79" (20mm) of precipitation is accumulated. In West Mifflin, during the entire year, the rain falls for 128 days and collects up to 10.2" (259mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of August, sunrise is at 6:17 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:52 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the usual temperature for West Mifflin in August?

The high-temperature, in August, in West Mifflin, is 81.9°F (27.7°C), while the low-temperature averages to 61°F (16.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the least humid month in West Mifflin?

The least humid month in West Mifflin is August, with an average relative humidity of 74%.

What is the average humidity in August?

The average relative humidity in August is 74%.

How many days does it rain in August?

In August, the rain falls for 12.1 days. Throughout August, 0.79" (20mm) of precipitation is accumulated.

When it does not snow?

In West Mifflin, snow does not fall in June through September.

How many hours of daylight does West Mifflin have in August?

In West Mifflin, the average day length in August is 13h and 43min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:17 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:52 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does West Mifflin have in August?

The average sunshine duration in August is 10.2h.

When is the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in August?

In West Mifflin, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
West Mifflin, PA

Average temperature in August - West Mifflin, PA
  • Average high temperature in August: 81.9°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 (33.4°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in August
West Mifflin, PA

Average pressure in August - West Mifflin, 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
West Mifflin, PA

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

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in August
West Mifflin, PA

Average humidity in August - West Mifflin, PA
  • Average humidity in August: 74%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).

Average rainfall in August
West Mifflin, PA

Average rainfall in August - West Mifflin, PA
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are September and November (0.55").

Average rainfall days in August
West Mifflin, PA

Average rainfall days in August - West Mifflin, PA
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in August
West Mifflin, PA

Average snowfall in August - West Mifflin, PA
  • Average snowfall in August: 0"

The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
West Mifflin, PA

Average snowfall days in August - West Mifflin, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
West Mifflin, PA

Average daylight in August / Average sunshine in August - West Mifflin, 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 24min).

  • Average sunshine in August: 10h and 1min

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).

Average sunshine days in August
West Mifflin, PA

Average sunshine days in August - West Mifflin, PA
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in August
West Mifflin, PA

Average UV index in August - West Mifflin, PA
  • Average UV index in August: 6

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

Average cloud cover in August
West Mifflin, PA

Average cloud cover in August - West Mifflin, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
West Mifflin, PA

Average visibility in August - West Mifflin, PA
  • Average visibility in August: 6mi

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

West Mifflin, Pennsylvania, USA

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