Weather in Pennsylvania for May 2025
So far, May 2025 in Pennsylvania is slightly warmer than the historical average by 1.5 °F.
The forecast for the upcoming days in Pennsylvania predicts a temperature of 18.9 °F, which is slightly above the historical average.
In general, the average temperature in Pennsylvania at the beginning of May is 19.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.7 °F by the end of May.
Pennsylvania experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 116.6 mm.
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Pennsylvania Weather May
Temperatures trend during May in Pennsylvania
May weather in Pennsylvania day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
May 1 | Moderate or heavy rain shower | 20° /7° | 4.2 mm | 5 | |
May 2 | Moderate rain at times | 18° /9° | 28.4 mm | 4 | |
May 3 | Heavy rain at times | 19° /10° | 36.9 mm | 4 | |
May 4 | Moderate or heavy rain shower | 17° /10° | 15 mm | 4 | |
May 5 | Overcast | 20° /10° | 4 mm | 5 | |
May 6 | Sunny | 20° /10° | 8.7 mm | 5 | |
May 7 | Moderate or heavy rain shower | 21° /12° | 10.8 mm | 5 | |
May 8 | Overcast | 23° /13° | 1.3 mm | 5 | |
May 9 | Heavy rain at times | 17° /9° | 5.1 mm | 4 | |
May 10 | Partly cloudy | 19° /6° | 0.3 mm | 5 | |
May 11 | Partly cloudy | 20° /8° | 1.7 mm | 5 | |
May 12 | Overcast | 21° /10° | 1.7 mm | 5 | |
May 13 | Moderate or heavy rain shower | 21° /12° | 43.8 mm | 5 | |
May 14 | Light rain shower | 21° /13° | 6.5 mm | 5 | |
May 15 | Sunny | 25° /12° | 1.3 mm | 6 | |
May 16 | Moderate or heavy rain shower | 23° /13° | 5.5 mm | 5 | |
May 17 | Overcast | 22° /11° | 16.2 mm | 5 | |
May 18 | Sunny | 23° /9° | 2.3 mm | 6 | |
May 19 | Cloudy | 18° /10° | 0 mm | 2 | |
May 20 | Overcast | 16° /6° | 0 mm | 1.7 | |
May 21 | Moderate rain | 12° /10° | 5.9 mm | 0.2 | |
May 22 | Patchy rain possible | 10° /8° | 2.8 mm | 0 | |
May 23 | Patchy rain possible | 16° /5° | 0.4 mm | 3 | |
May 24 | Overcast | 17° /5° | 0 mm | 3 | |
May 25 | Patchy rain possible | 18° /11° | 0.1 mm | 3 | |
May 26 | Heavy rain | 15° /10° | 28.8 mm | 3 | |
May 27 | Patchy rain possible | 17° /8° | 0.5 mm | 3 | |
May 28 | Patchy rain possible | 20° /6° | 1.5 mm | 3 | |
May 29 | Patchy rain possible | 23° /10° | 0.6 mm | 4 | |
May 30 | Patchy rain possible | 25° /11° | 0.4 mm | 4 | |
May 31 | Patchy rain possible | 27° /15° | 0.1 mm | 5 | |
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Pennsylvania in May - FAQ
May rainfall patterns in Pennsylvania
UV exposure in Pennsylvania during May
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Get accurate weather forecasts for Pennsylvania, located at latitude 40.441 and longitude -79.996. Stay updated with localized weather information tailored for Pennsylvania.