Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The commencement of August notes an average high-temperature of a still warm 80.6°F (27°C), exhibiting little difference from the previous month. August in Southwest witnesses a substantial contrast between the daytime highs and the average low of 58.6°F (14.8°C).Heat index
August's mean heat index is appraised at 84.2°F (29°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Heat index determinations are made taking into account the shade and light air movements. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
The months with the lowest humidity in Southwest are April, July and August, with an average relative humidity of 77%.Rainfall
In Southwest, in August, it is raining for 17.4 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Southwest, there are 185.4 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Southwest, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:32 pm. On the last day of August, in Southwest, sunrise is at 6:45 am and sunset at 7:50 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are the temperatures in Southwest in August?
What are the least humid months in Southwest?
What is the average humidity in August in Southwest?
How many days does it rain in August in Southwest?
When it does not snow in Southwest?
How many hours of daylight does Southwest have in August?
When are sunrise and sunset in August in Southwest?
What month has the most sunshine in Southwest?
How long on average sun shines in August in Southwest?
What is the UV index reading in August in Southwest?
Average temperature in August
Southwest, PA
- Average high temperature in August: 80.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in August
Southwest, 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).
Average wind speed in August
Southwest, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Southwest, PA
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in August
Southwest, PA
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in August
Southwest, PA
- Average rainfall days in August: 17.4 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in August
Southwest, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Southwest, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Southwest, 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
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days in August
Southwest, PA
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in August
Southwest, PA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Southwest, PA
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Southwest, 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).
Southwest, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location