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Pennsylvania weather in May 2025
Expect 23°C 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.
- 2323°C max day temperature
- 8 hours of sunshine per day
- 1111 days with some rainfall
- 1111°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 100100 mm of monthly rainfall
- 88 (Very High) UV index
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Recommended for Pennsylvania
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
- Allentown
- Du Bois
- Erie
- Gettysburg
- Harrisburg
- Lancaster
- Lewisburg
- Ohiopyle
- Philadelphia
- Pittsburgh
- Stroudsburg
- Warren
- Wilkes-Barre
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Pennsylvania in May?
Daytime temperatures usually reach 23°C in Philadelphia, Pennsylvania in May, falling to 11°C 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 100mm.
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 |
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