United States
Weather in Peoria through the year
The average of the weather stations Rock Is L&D (123 km) and Cedar Rapids (225 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -0.4 °C | -1.0 °C – 0.6 °C |
| February | 2.5 °C | 0.6 °C – 5.1 °C |
| March | 9.4 °C | 5.7 °C – 12.7 °C |
| April | 16.5 °C | 13.1 °C – 19.5 °C |
| May | 23.0 °C | 19.8 °C – 26.2 °C |
| June | 28.2 °C | 26.3 °C – 29.5 °C |
| July | 29.6 °C | 29.3 °C – 29.8 °C |
| August | 28.6 °C | 27.9 °C – 29.3 °C |
| September | 25.5 °C | 22.5 °C – 27.7 °C |
| October | 18.1 °C | 13.6 °C – 22.4 °C |
| November | 9.2 °C | 5.1 °C – 13.3 °C |
| December | 2.4 °C | 0.6 °C – 4.7 °C |