August weather forecastSwissvale, PA
August
Weather in August
August, the last month of the summer in Swissvale, is also a moderately hot month, with an average temperature varying between 60.8°F (16°C) and 81.9°F (27.7°C).Temperature
As Swissvale, Pennsylvania, welcomes August, the average high-temperature records at a still moderately hot 81.9°F (27.7°C), marking an insignificant deviation from the prior month. During the month of August, Swissvale's nighttime temperature lowers to an average of 60.8°F (16°C).Heat index
The average heat index in August is calculated to be a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The months with the lowest humidity in Swissvale are July and August, with an average relative humidity of 75%.Rainfall
In Swissvale, in August, during 17.4 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 182.2 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in Swissvale is 13h and 44min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:46 am and sunset at 7:52 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.1h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Swissvale, PA
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in August: 60.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
Swissvale, 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
Swissvale, 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
Swissvale, 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
Swissvale, PA
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in August
Swissvale, PA
- Average rainfall days in August: 17.4 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in August
Swissvale, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Swissvale, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Swissvale, PA
- Average daylight in August: 13h and 42min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in August
Swissvale, PA
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in August
Swissvale, PA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Swissvale, 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
Swissvale, 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 and February (4mi).





