Pennsylvania (Philadelphia)
May
Weather in Pennsylvania for May 2025
Your guide to Pennsylvania weather in May - trends and predictions
In general, the average temperature in Pennsylvania at the beginning of May is 17.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.1 °F by the end of May.
With an average of 4 rainy days, Pennsylvania experiences minimal rainfall in May.
- New! Chat with our AI weatherman - it’s amazing and free.
27
Dry days
4
Rainy days
0
Snow days
24°/10°
Temperatures
16 km/h
Avg max wind
64 %
Avg humidity
Pennsylvania in May average weather
Move between months or click on a day
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 17° | 2 19° | 3 16° | 4 14° | |||
5 15° | 6 20° | 7 23° | 8 26° | 9 18° | 10 18° | 11 21° |
12 21° | 13 21° | 14 21° | 15 20° | 16 20° | 17 21° | 18 21° |
19 23° | 20 23° | 21 26° | 22 28° | 23 25° | 24 27° | 25 25° |
26 27° | 27 24° | 28 25° | 29 26° | 30 23° | 31 26° |
You can click on date
Access Pennsylvania weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Pennsylvania
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
May 1 | Patchy rain possible | 17° /11° | 4.5 mm | 4 | |
May 2 | Patchy rain possible | 19° /10° | 1.5 mm | 5 | |
May 3 | Moderate rain at times | 16° /8° | 0.8 mm | 5 | |
May 4 | Patchy rain possible | 14° /7° | 2 mm | 3 | |
May 5 | Patchy rain possible | 15° /7° | 6.3 mm | 4 | |
May 6 | Overcast | 20° /10° | 0.8 mm | 5 | |
May 7 | Partly cloudy | 23° /12° | 1.7 mm | 6 | |
May 8 | Overcast | 26° /15° | 0.3 mm | 6 | |
May 9 | Heavy rain at times | 18° /12° | 3.6 mm | 5 | |
May 10 | Sunny | 18° /9° | 5.5 mm | 5 | |
May 11 | Partly cloudy | 21° /9° | 0.1 mm | 6 | |
May 12 | Sunny | 21° /11° | 4.9 mm | 6 | |
May 13 | Patchy rain possible | 21° /12° | 0.1 mm | 5 | |
May 14 | Overcast | 21° /13° | 2.7 mm | 5 | |
May 15 | Sunny | 20° /12° | 3.5 mm | 5 | |
May 16 | Overcast | 20° /12° | 1.3 mm | 5 | |
May 17 | Sunny | 21° /13° | 0 mm | 6 | |
May 18 | Sunny | 21° /10° | 0 mm | 6 | |
May 19 | Overcast | 23° /11° | 0 mm | 5 | |
May 20 | Heavy rain at times | 23° /13° | 1.1 mm | 6 | |
May 21 | Cloudy | 26° /13° | 0.2 mm | 7 | |
May 22 | Cloudy | 28° /13° | 1.2 mm | 7 | |
May 23 | Partly cloudy | 25° /15° | 2 mm | 6 | |
May 24 | Overcast | 27° /13° | 0.2 mm | 6 | |
May 25 | Sunny | 25° /14° | 0.1 mm | 6 | |
May 26 | Sunny | 27° /14° | 2.1 mm | 7 | |
May 27 | Sunny | 24° /14° | 13.2 mm | 6 | |
May 28 | Overcast | 25° /14° | 0 mm | 6 | |
May 29 | Sunny | 26° /14° | 1.5 mm | 6 | |
May 30 | Sunny | 23° /13° | 1.3 mm | 6 | |
May 31 | Partly cloudy | 26° /10° | 0.1 mm | 7 | |
Next |
Important Notice
Our weather forecast for Pennsylvania in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Pennsylvania forecast closer to your planned date for the most up-to-date weather information.
Pennsylvania in May - FAQ
What are the expected maximum and minimum temperatures in Pennsylvania during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Pennsylvania during May?
Moderate rainfall is anticipated in Pennsylvania during May, with a total of 88.7 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Pennsylvania during May?
The average wind speed in Pennsylvania during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Pennsylvania
Explore the daily rainfall trends and prepare for Pennsylvanias May weather 💧
UV exposure in Pennsylvania during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Provinces in Pennsylvania
Select a province for an accurate weather forecast
Top locations in Pennsylvania
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Pennsylvania?
Get accurate weather forecasts for Pennsylvania, located at latitude 39.952 and longitude -75.164. Stay updated with localized weather information tailored for Pennsylvania.
Found a mistake?
We appreciate your attention to details. Tell us here.