Climate - Geneseo - Illinois
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 29 | 34 | 47 | 61 | 73 | 82 |
| Average low in °F | 13 | 19 | 29 | 40 | 52 | 61 |
| Av. precipitation - inch | 1.54 | 1.57 | 2.68 | 3.74 | 4.21 | 4.21 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 86 | 83 | 76 | 63 | 47 | 33 |
| Average low in °F | 66 | 64 | 55 | 43 | 31 | 19 |
| Av. precipitation - inch | 3.9 | 4.33 | 3.31 | 2.99 | 2.83 | 2.17 |
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Geneseo Climate Graph - Illinois Climate Chart
Totals and averages
| Annual average high temperature | 59.6 °F |
| Annual average low temperature | 41.1 °F |
| Average temperature | 50.3 °F |
| Average annual precipitation | 37.5 in. |