Pittsburgh weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Good
Best time to visit: April – October
What is the weather like in Pittsburgh in May?
In May, Pittsburgh is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 133 mm. All in all, May is a good month for a holiday in Pittsburgh.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 24 min06:04 – 20:28
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %57 %
- Few rainy daysweight 30 %21 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Pittsburgh in May: quick answers
Is Pittsburgh hot in May?
Warm rather than hot: in May, daytime highs in Pittsburgh average 22 °C and nights cool to about 12 °C.
Does it rain much in Pittsburgh in May?
It rains often – on about 15 days, adding up to 133 mm.
Pittsburgh month by month
The whole year in PittsburghAll destinations: USAWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences