Pittsburgh (PA)
May
Weather in Pittsburgh, Pennsylvania for May 2027
Your guide to Pittsburgh weather in May - trends and predictions
In general, the average temperature in Pittsburgh at the beginning of May is 18.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.4 °C by the end of May.
Pittsburgh experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 230.3 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
0
Dry days
31
Rainy days
0
Snow days
20°/10°
Temperatures
14 km/h
Avg max wind
76 %
Avg humidity
Pittsburgh Weather May
Move between months or click on a day
Temperatures trend during May in Pittsburgh
See the weather trend as well as the moving average line
May weather in Pittsburgh day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate or heavy rain shower | 17° /6° | 4.5 mm | 5 | |
| May 2 | Moderate rain at times | 16° /7° | 21.8 mm | 5 | |
| May 3 |  Heavy rain at times | 18° /7° | 27.7 mm | 6 | |
| May 4 | Moderate or heavy rain shower | 18° /9° | 11.4 mm | 3 | |
| May 5 |  Overcast | 21° /10° | 4.4 mm | 4 | |
| May 6 |  Sunny | 19° /9° | 10 mm | 4 | |
| May 7 | Moderate or heavy rain shower | 19° /10° | 8.1 mm | 6 | |
| May 8 | Overcast | 21° /11° | 1.7 mm | 5 | |
| May 9 | Heavy rain at times | 17° /9° | 5.9 mm | 4 | |
| May 10 |  Partly cloudy | 18° /6° | 1.1 mm | 5 | |
| May 11 | Partly cloudy | 19° /7° | 1.3 mm | 7 | |
| May 12 | Overcast | 20° /8° | 1.3 mm | 6 | |
| May 13 | Moderate or heavy rain shower | 20° /11° | 34.6 mm | 4 | |
| May 14 |  Light rain shower | 19° /11° | 5 mm | 4 | |
| May 15 | Sunny | 23° /10° | 1 mm | 6 | |
| May 16 | Moderate or heavy rain shower | 23° /12° | 5.2 mm | 6 | |
| May 17 | Overcast | 23° /12° | 12.3 mm | 5 | |
| May 18 | Sunny | 24° /11° | 1.3 mm | 6 | |
| May 19 | Patchy rain possible | 25° /12° | 1.1 mm | 6 | |
| May 20 | Moderate or heavy rain shower | 21° /10° | 6.5 mm | 4 | |
| May 21 | Overcast | 22° /11° | 7.6 mm | 7 | |
| May 22 | Moderate or heavy rain shower | 21° /11° | 6.9 mm | 7 | |
| May 23 | Overcast | 18° /11° | 8.1 mm | 4 | |
| May 24 |  Cloudy | 22° /11° | 6.8 mm | 5 | |
| May 25 | Partly cloudy | 22° /11° | 4 mm | 5 | |
| May 26 | Sunny | 24° /9° | 5.7 mm | 6 | |
| May 27 | Moderate or heavy rain shower | 22° /13° | 6.5 mm | 6 | |
| May 28 | Sunny | 21° /10° | 6 mm | 7 | |
| May 29 | Patchy rain possible | 22° /10° | 4.2 mm | 6 | |
| May 30 | Partly cloudy | 22° /11° | 1.4 mm | 7 | |
| May 31 | Sunny | 24° /9° | 2 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Pittsburgh 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 Pittsburgh forecast closer to your planned date for the most up-to-date weather information.
Change Month
Pittsburgh in May - FAQ
What are the expected maximum and minimum temperatures in Pittsburgh during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Pittsburgh during May?
Significant rainfall exceeding 230.3 mm is expected in Pittsburgh during May, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pittsburgh during May?
The average wind speed in Pittsburgh during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Pittsburgh
Explore the daily rainfall trends and prepare for Pittsburghs May weather 💧
Typically, Pittsburgh has 31 rainy days in May with a total of 230.3 mm of rainfall.
UV exposure in Pittsburgh during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Quick links
More Pittsburgh weather pages
You are here
Where is Pittsburgh?Get accurate weather forecasts for Pittsburgh, located at latitude 40.441 and longitude -79.996. Stay updated with localized weather information tailored for Pittsburgh.
Found a mistake?
We appreciate your attention to details. Tell us here.