Philadelphia

Pennsylvania Weather in May

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

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Philadelphia Pittsburgh Gettysburg York

Considering a trip to Pennsylvania, the United States of America this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Pennsylvania in May

Pennsylvania, the United States of America is a region in the United States of America. May in Pennsylvania generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high.

Temperatures

During the day the temperature is pleasant in Erie at 19°C (66°F) and warm in Philadelphia at 24°C (75°F). As night falls, temperatures generally drop to 14°C (57°F) in Philadelphia and 10°C (50°F) in Erie.

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

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Moosic with an average of 77 mm (3 in) to high rainfall in Somerset with 126 mm (5 in).

Average sunshine

Most destinations offer generous amounts of sunshine this May. For example, Philadelphia gets approximately 247 hours of sunlight, perfect for anyone wanting bright, sunny days.

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)

January5°C (41°F) February6°C (43°F) March12°C (54°F) April19°C (66°F) May24°C (75°F) June29°C (84°F) This monthJuly31°C (88°F) August30°C (86°F) September26°C (79°F) October20°C (68°F) November13°C (55°F) December9°C (48°F)
Best Time to Visit Pennsylvania →

Best Places to Visit in Pennsylvania in May

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

Conditions Temperatures Precipitation
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 May for some of the most popular destinations in Pennsylvania, the United States of America?

Temperature range in Pennsylvania (May)

Precipitation variation in Pennsylvania (May)

Philadelphia

In May Philadelphia generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
19°C (66°F)
24°C (75°F)
29°C (84°F)
Min temperature
8°C (46°F)
14°C (57°F)
19°C (66°F)
Monthly sun hours
219 hours
247 hours
272 hours
Monthly rainfall
103 mm (4.1 in)
92 mm (3.6 in)
127 mm (5 in)
Monthly rainy days
12 days
12 days
12 days
Weather conditions
tolerable
perfect
pleasant
Climate in Philadelphia →

Pittsburgh

In May Pittsburgh generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
17°C (63°F)
22°C (72°F)
26°C (79°F)
Min temperature
5°C (41°F)
11°C (52°F)
15°C (59°F)
Monthly sun hours
183 hours
217 hours
244 hours
Monthly rainfall
78 mm (3.1 in)
93 mm (3.7 in)
116 mm (4.6 in)
Monthly rainy days
14 days
14 days
15 days
Weather conditions
tolerable
perfect
pleasant
Climate in Pittsburgh →

Gettysburg

In May Gettysburg generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
17°C (63°F)
23°C (73°F)
28°C (82°F)
Min temperature
5°C (41°F)
10°C (50°F)
16°C (61°F)
Monthly sun hours
235 hours
266 hours
288 hours
Monthly rainfall
97 mm (3.8 in)
109 mm (4.3 in)
115 mm (4.5 in)
Monthly rainy days
12 days
15 days
13 days
Weather conditions
tolerable
pleasant
pleasant
Climate in Gettysburg →

York

In May York generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
19°C (66°F)
24°C (75°F)
28°C (82°F)
Min temperature
5°C (41°F)
11°C (52°F)
16°C (61°F)
Monthly sun hours
235 hours
266 hours
288 hours
Monthly rainfall
93 mm (3.7 in)
107 mm (4.2 in)
109 mm (4.3 in)
Monthly rainy days
11 days
13 days
13 days
Weather conditions
pleasant
pleasant
pleasant
Climate in York →

Washington

In May Washington generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
17°C (63°F)
22°C (72°F)
26°C (79°F)
Min temperature
4°C (39°F)
9°C (48°F)
14°C (57°F)
Monthly sun hours
183 hours
217 hours
244 hours
Monthly rainfall
73 mm (2.9 in)
98 mm (3.9 in)
114 mm (4.5 in)
Monthly rainy days
13 days
15 days
15 days
Weather conditions
tolerable
perfect
pleasant
Climate in Washington →

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Philadelphia 24°C (75°F) 14°C (57°F) 92 mm (3.6 in)
Pittsburgh 22°C (72°F) 11°C (52°F) 93 mm (3.7 in)
Gettysburg 23°C (73°F) 10°C (50°F) 109 mm (4.3 in)
York 24°C (75°F) 11°C (52°F) 107 mm (4.2 in)
Washington 22°C (72°F) 9°C (48°F) 98 mm (3.9 in)
Bethlehem 23°C (73°F) 10°C (50°F) 96 mm (3.8 in)

Pennsylvania weather in May: frequently asked questions

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

In May, Pennsylvania, the United States of America generally has perfect weather conditions. Philadelphia sees daytime temperatures near 24°C (75°F), with nights cooling to roughly 14°C (57°F).

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

In Philadelphia, the average daytime high in May is 24°C (75°F), while nighttime temperatures drop to around 14°C (57°F).

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

Rain is generally moderate to light in Pennsylvania, the United States of America during May, with Philadelphia averaging close to 92 mm (3.6 in).

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

We consider May to be one of the best times to travel to Pennsylvania, the United States of America. Typically, the climate in Philadelphia is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in May offering mostly 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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