Rainy days · Illinois
How often does it rain in Peoria?
Peoria’s rain plays well in Peoria, which is the whole point of Peoria.
Peoria gets measurable rain or snow on about 117 days a year, adding up to about 38 inches.
November usually brings Peoria about 9 wet days and 2.7 inches. The wettest month is usually May, with about 13 wet days, and the driest is September, with about 8 wet days. That makes Peoria number 61 of the 129 US cities we track, rainiest first.
Last updated
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Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 10 | 2.1 |
| February | 9 | 2.0 |
| March | 11 | 2.7 |
| April | 12 | 4.0 |
| May | 13 | 4.7 |
| June | 11 | 3.7 |
| July | 9 | 3.5 |
| August | 8 | 3.3 |
| September | 8 | 3.5 |
| October | 10 | 3.2 |
| November | 9 | 2.7 |
| December | 10 | 2.2 |
Cities with about as many rainy days
- Mobile, Alabama: about 117 wet days a year
- Raleigh, North Carolina: about 118 wet days a year
- Quad Cities, Illinois and Iowa: about 117 wet days a year
Source: NOAA daily precipitation records for the Peoria 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.