Temperatures in August
It's warm in August in Pennsylvania with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 16°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Pennsylvania in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Pennsylvania with hot temperatures, averaging around 29°C during the day and nights close to 19°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-August
By mid-August, the average daytime temperature stays the same at 29°C, with nights close to 19°C. The chance of precipitation is high during this period.
Temperatures vary between day and night, so it’s smart to wear layers.
End of August
By the end of August, the average daytime temperature in Pennsylvania will be around 28°C, with nights close to 18°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in August
In August, there is an average of 207 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Pennsylvania. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Pennsylvania in August |
UK | ||
|---|---|---|---|
 Average Temperature |
29°C | 22°C | |
 High Temp |
30°C | 24°C | |
| Low Temp |
26°C | 19°C | |
 Total Precipitation |
207 mm | 60 mm | |
| Rainy Days |
10 days | 10 days | |
July
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Pennsylvania?
After some sun? Then August isn’t the best time to be in Pennsylvania. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Pennsylvania in August
With 35°C, Pennsylvania hit the highest temperature in the last 10 years in August 2020. The lowest daytime temperature in this month was 19°C in 2017. The extreme night temperatures ranged from a low of 9°C to a high of 24°C.
Check out the climate of Pennsylvania for all months and discover the best travel time
The climate of Pennsylvania is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Pennsylvania for a full picture of the climate.
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Daily Temperature in August in Pennsylvania
This chart shows the average daily temperatures, both day and night, for each day in August in Pennsylvania, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Pennsylvania
The chart below shows the average daily precipitation in August for Pennsylvania, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 10 days of rain in Pennsylvania.
Daily UV Index in August in Pennsylvania
This chart shows the average daily UV index in August in Pennsylvania, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Pennsylvania Over the Years
This chart shows the average temperature in August in Pennsylvania, measured in degrees Celsius, over the past years.
Total Precipitation in August in Pennsylvania Over the Years
This chart shows the average precipitation in August in Pennsylvania, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Pennsylvania
Click on a specific day in August for detailed info on the typical weather on that day in Pennsylvania. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Pennsylvania
Have you been to Pennsylvania in August?
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Average Weather in Pennsylvania by Month
Click on a month below to see detailed weather info for Pennsylvania. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Pennsylvania for all months at once
