Philadelphia

Pennsylvania Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Pennsylvania, the United States of America in August.

Planning a getaway to Pennsylvania, the United States of America this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Pennsylvania in August

Pennsylvania, the United States of America is a region in the United States of America. August in Pennsylvania generally has warm temperatures, with precipitation levels ranging from moderate to high. It's the height of summer.

Temperatures

The average maximum temperatures are warm and range from 25°C (77°F) in Mount Pocono to 30°C (86°F) in Philadelphia. Nighttime temperatures generally drop to 20°C (68°F) in Philadelphia and 14°C (57°F) in Mount Pocono. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To learn more about the conditions in specific areas of Pennsylvania, the United States of America, check out the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Robinson Township with an average of 68 mm (2.7 in) to high rainfall in Plymouth Meeting with 148 mm (5.8 in). It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Sunshine is generally plentiful throughout many areas. Philadelphia enjoys about 260 hours of sunlight, ideal for those seeking sunny weather.

Explore Pennsylvania by month

Pick a month to see the average temperature, rainfall and sunshine in Pennsylvania — and find the best time to visit. (based on Philadelphia)

Best Places to Visit in Pennsylvania in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Pennsylvania.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Pennsylvania

What is the weather like in August for some of the most popular destinations in Pennsylvania, the United States of America?

Temperature range in Pennsylvania (August)

Precipitation variation in Pennsylvania (August)

Philadelphia

In August Philadelphia generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
31°C (88°F)
30°C (86°F)
26°C (79°F)
Min temperature
22°C (72°F)
20°C (68°F)
17°C (63°F)
Monthly sun hours
275 hours
260 hours
218 hours
Monthly rainfall
130 mm (5.1 in)
132 mm (5.2 in)
108 mm (4.3 in)
Monthly rainy days
11 days
10 days
8 days
Weather conditions

Pittsburgh

In August Pittsburgh generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
24°C (75°F)
Min temperature
18°C (64°F)
17°C (63°F)
13°C (55°F)
Monthly sun hours
255 hours
229 hours
197 hours
Monthly rainfall
96 mm (3.8 in)
74 mm (2.9 in)
78 mm (3.1 in)
Monthly rainy days
13 days
11 days
11 days
Weather conditions

Gettysburg

In August Gettysburg generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
30°C (86°F)
29°C (84°F)
25°C (77°F)
Min temperature
18°C (64°F)
17°C (63°F)
13°C (55°F)
Monthly sun hours
310 hours
285 hours
226 hours
Monthly rainfall
80 mm (3.1 in)
95 mm (3.7 in)
123 mm (4.8 in)
Monthly rainy days
11 days
12 days
10 days
Weather conditions

York

In August York generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
31°C (88°F)
30°C (86°F)
26°C (79°F)
Min temperature
19°C (66°F)
17°C (63°F)
14°C (57°F)
Monthly sun hours
310 hours
285 hours
226 hours
Monthly rainfall
109 mm (4.3 in)
105 mm (4.1 in)
123 mm (4.8 in)
Monthly rainy days
12 days
12 days
9 days
Weather conditions

Washington

In August Washington generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
24°C (75°F)
Min temperature
16°C (61°F)
15°C (59°F)
11°C (52°F)
Monthly sun hours
255 hours
229 hours
197 hours
Monthly rainfall
91 mm (3.6 in)
78 mm (3.1 in)
75 mm (3 in)
Monthly rainy days
13 days
11 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Pennsylvania, in the United States of America.

Popular cities in August

Day & night temperatures, rainfall and average weather in Pennsylvania in August.

City Weather Day temp Night temp Rainfall
Philadelphia 30°C (86°F) 20°C (68°F) 132 mm (5.2 in)
Pittsburgh 28°C (82°F) 17°C (63°F) 74 mm (2.9 in)
Gettysburg 29°C (84°F) 17°C (63°F) 95 mm (3.7 in)
York 30°C (86°F) 17°C (63°F) 105 mm (4.1 in)
Washington 28°C (82°F) 15°C (59°F) 78 mm (3.1 in)
Bethlehem 28°C (82°F) 17°C (63°F) 110 mm (4.3 in)

Pennsylvania weather in August: frequently asked questions

What is the weather like in Pennsylvania, the United States of America in August?

Expect unpleasant weather across Pennsylvania, the United States of America in August. The popular destination of Philadelphia averages 30°C (86°F) by day and 20°C (68°F) at night during this summer month.

What is the average temperature in Pennsylvania, the United States of America in August?

In Philadelphia, the average daytime high in August is 30°C (86°F), while nighttime temperatures drop to around 20°C (68°F).

Does Pennsylvania, the United States of America get a lot of rain in August?

Yes, August tends to be a wetter month in Pennsylvania, the United States of America. Average rainfall in Philadelphia sits around 132 mm (5.2 in).

Is August a Good Time to Visit Pennsylvania, the United States of America?

In our opinion, August is a good time to visit Pennsylvania, the United States of America with overall tolerable weather in Philadelphia.

Generally speaking, May provides perfect weather in Philadelphia. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Pennsylvania.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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