Philadelphia weather in May (Pennsylvania, United States of America)

Interested in knowing the climate of Philadelphia in May? Use this page to get an overview of the month’s weather conditions.

Temperatures

The weather in Philadelphia during May is typically perfect, with high temperatures and moderate rainfall. The daytime often sees temperatures reaching 24°C, but nighttime brings a cool-down to 14°C.

Precipitation

Philadelphia in May usually receives moderate rainfall, averaging around 92 mm for the month. Based on our climate data of the past 30 years, about 12 days of rain are anticipated.

Average sunshine

Enjoy a sunny month with about 247 hours of sunshine, providing a cheerful and lively atmosphere.

If you favor pleasant temperatures and minimal rainfall, May is one of the better months to visit Philadelphia. May typically offers the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Philadelphia climate page with graphs.

 

Philadelphia, monthly averages in May

Min Temperature 14°C  

Max Temperature 24°C  

Water Temperature 12°C  

Chance of Rain 40%  

Precipitation 92 mm  

Rainy days 12 days  

Humidity 66%  

Sunshine 247 hours  

Percentage Sunshine 55%  

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

For visitors traveling to Philadelphia, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 12°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Philadelphia.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.