Pennsylvania weather in May 2025

Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Pennsylvania in May. Check more long-term weather averages for Pennsylvania in May before you book your next holiday to Pennsylvania in 2025/2026.

  • 73°F maximum daytime temperature in May in Pennsylvania (Philadelphia)73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Pennsylvania (Philadelphia)11
    11 days with some rainfall
  • 52°F minimum night-time temperature in May in Pennsylvania (Philadelphia)52
    52°F min night temperature
  • 14 hours of daylight per day in May in Pennsylvania (Philadelphia)14
    14 hours of daylight per day
  • No heat & humidity in May in Pennsylvania (Philadelphia)0
    No heat & humidity
  • 3.9 inches monthly rainfall in May in Pennsylvania (Philadelphia)3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Pennsylvania (Philadelphia)8
    8 (Very High) UV index

More about Pennsylvania

Pennsylvania by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Pennsylvania

  • Save on hotels, restaurants, spas & more
  • Book online with fully refundable vouchers
  • Filter vouchers by theme, price, type & more

The May weather guide for Pennsylvania (Philadelphia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Pennsylvania destinations

Below are average maximum temperatures at popular countries, regions and places in Pennsylvania in May. Select a holiday destination to see more weather parameters.

All Pennsylvania destinations

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

How hot is it in Pennsylvania in May?

Daytime temperatures usually reach 73°F in Philadelphia, Pennsylvania in May, falling to 52°F at night.

How sunny is it in Pennsylvania in May?

There are normally 8 hours of bright sunshine each day in Philadelphia, Pennsylvania in May - that's 55% of daylight hours.

Does it rain in Pennsylvania in May?

There are usually 11 days with some rain in Philadelphia, Pennsylvania in May and the average monthly rainfall is 3.9 inches.

Pennsylvania May sunrise & sunset times

Browse the sunrise and sunset times for Pennsylvania in May 2025. Select a month to view Pennsylvania sunrise and sunset times for the next 12 months. The Pennsylvania sunrise and sunset times shown below are for Philadelphia.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:00 18:56
Friday, 16th May 2025 04:44 19:10
Saturday, 31st May 2025 04:34 19:23

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^