Best time to visit · Pennsylvania
Best time to visit Pittsburgh
Pittsburgh averages 25 just-right days a year; no month is reliably just right, and May comes closest. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Pittsburgh weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 25
- Too cool 216
- Too hot 79
- Too muggy 20
- Too gray 25
When to visit Pittsburgh
Pittsburgh rarely hits the 70 to 80°F, dry and sunny window; May comes closest, with 6 just-right days. January, February, March, April, November and December are mostly too cool, with average highs of 37 to 64°F. June, July and August are mostly too hot, with average highs of 81 to 84°F.
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 37°F | 22°F | 86% | 0 |
| February | 41°F | 22°F | 81% | 0 |
| March | 51°F | 28°F | 73% | 0 |
| April | 64°F | 39°F | 65% | 2 |
| May | 73°F | 49°F | 62% | 6 |
| June | 81°F | 59°F | 54% | 3 |
| July | 84°F | 63°F | 47% | 2 |
| August | 83°F | 62°F | 47% | 2 |
| September | 78°F | 55°F | 54% | 5 |
| October | 65°F | 45°F | 58% | 4 |
| November | 53°F | 31°F | 73% | 0 |
| December | 42°F | 28°F | 85% | 0 |
How Pittsburgh compares
With 25 just-right days, Pittsburgh trails the median of America's 150 largest cities (33 days). On muggy days: 20. On gray days: 25.
Places with a similar climate
Nearby
Pittsburgh averages 25 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/us/pennsylvania/pittsburgh/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.