Rainy days · Pennsylvania
How often does it rain in Pittsburgh?
Pittsburgh gets rain on so many days that the three rivers could probably use a fourth.
Pittsburgh gets measurable rain or snow on about 154 days a year, adding up to about 40 inches.
November usually brings Pittsburgh about 12 wet days and 2.9 inches. The wettest month is usually January, with about 17 wet days, and the driest is September, with about 10 wet days. That makes Pittsburgh number 14 of the 129 US cities we track, rainiest first.
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Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 17 | 3.0 |
| February | 14 | 2.6 |
| March | 14 | 3.1 |
| April | 14 | 3.3 |
| May | 14 | 3.8 |
| June | 12 | 4.1 |
| July | 11 | 4.3 |
| August | 11 | 3.5 |
| September | 10 | 3.3 |
| October | 11 | 2.8 |
| November | 12 | 2.9 |
| December | 15 | 2.8 |
Cities with about as many rainy days
- Portland, Oregon: about 156 wet days a year
- Seattle, Washington: about 156 wet days a year
- Burlington, Vermont: about 157 wet days a year
Source: NOAA daily precipitation records for the Pittsburgh area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.