Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Philadelphia Weather in May
May in Philadelphia brings high temperatures around 28°C (82°F) during the day, dropping to 16°C (61°F) at night, with quite a bit of rainfall expected, averaging around 109 mm (4.3 in) for the month.
Rainfall in Philadelphia in May
Typically, about 9 days will experience rainfall, with an average of 109 mm (4.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Philadelphia in May
Expect highs of 28°C (82°F) in Philadelphia in May, with nights dropping to around 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If your ideal day consists of dry skies and pleasant temperatures, March, April, May and October typically offer the best circumstances for Philadelphia.
Philadelphia Temperature in May
Min Temperature
16°C (61°F)
Max Temperature
28°C (82°F)
Chance of Rain
30%
Precipitation
109 mm (4.3 in)
Rainy days
9 days
Philadelphia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Philadelphia - and find the best time to visit.
Best Places 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. See all of the United States of America in May →
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).
What to Wear in Philadelphia in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Philadelphia in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Philadelphia 3-Day Forecast
More climate data for Philadelphia
See the full Philadelphia climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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