Climate averages 1991–2020
Pittsburgh weather
in April.
A mild, wet month: the 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Pittsburgh: daytime highs average 16.6°C and nights cool to about 5.5°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 119 mm of rain on roughly 14 days, which makes April a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 15 min on an average April day.
The nearest other city in this atlas is Canton (Ohio), United States (123 km away). In April its highs average 15.4°C, 1.2°C cooler than Pittsburgh, with 108 mm of rain.
Among the 498 cities listed in the United States, Pittsburgh ranks joint 324th of 498 for the warmest April highs and 463rd of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Pittsburgh is 2.8°C cooler than that mean.
From April to May, average highs rise by 5.0°C to 21.6°C, and monthly rainfall rises from 119 mm to 123 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Pittsburgh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.8°C-5.5°C | -5.5°C | 92 | 12.0 | 9.610 h |
| February | 4.8°C-4.7°C | -4.7°C | 80 | 10.9 | 10.611 h |
| March | 9.9°C-0.5°C | -0.5°C | 108 | 12.9 | 11.912 h |
| April, selected | 16.6°C5.5°C | 5.5°C | 119 | 13.8 | 13.313 h |
| May | 21.6°C11.3°C | 11.3°C | 123 | 14.3 | 14.414 h |
| June | 26.0°C16.2°C | 16.2°C | 126 | 13.6 | 15.015 h |
| July | 28.2°C18.6°C | 18.6°C | 116 | 14.0 | 14.815 h |
| August | 27.5°C17.9°C | 17.9°C | 93 | 11.9 | 13.814 h |
| September | 23.9°C14.4°C | 14.4°C | 101 | 10.4 | 12.513 h |
| October | 17.4°C8.4°C | 8.4°C | 93 | 10.7 | 11.211 h |
| November | 10.6°C2.6°C | 2.6°C | 88 | 10.0 | 10.010 h |
| December | 5.1°C-2.1°C | -2.1°C | 89 | 11.6 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Canton (Ohio), United States in AprilUnited States · 123 kmHigh 15.4°C · Low 4.7°C · 108 mm rain
- Akron in AprilUnited States · 147 kmHigh 15.3°C · Low 4.4°C · 109 mm rain
- Parma, United States in AprilUnited States · 180 kmHigh 14.1°C · Low 4.6°C · 104 mm rain
- Cleveland in AprilUnited States · 185 kmHigh 13.3°C · Low 4.5°C · 104 mm rain
- Erie in AprilUnited States · 188 kmHigh 10.9°C · Low 4.2°C · 109 mm rain
- Columbus in AprilUnited States · 261 kmHigh 16.6°C · Low 5.6°C · 115 mm rain
- Germantown in AprilUnited States · 272 kmHigh 17.7°C · Low 6.8°C · 87 mm rain
- Centreville in AprilUnited States · 283 kmHigh 18.2°C · Low 7.8°C · 86 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Pittsburgh) is explained once on the Pittsburgh year overview and on the Sources, method and limits page.