Climate - Wheaton - Illinois
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 32 | 38 | 50 | 63 | 75 | 84 |
| Average low in °F | 14 | 19 | 28 | 38 | 48 | 57 |
| Av. precipitation - inch | 1.85 | 1.57 | 2.64 | 3.82 | 3.94 | 3.9 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 87 | 85 | 78 | 67 | 50 | 37 |
| Average low in °F | 63 | 62 | 53 | 42 | 32 | 20 |
| Av. precipitation - inch | 3.98 | 4.61 | 3.39 | 2.68 | 3.19 | 2.44 |
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Wheaton Climate Graph - Illinois Climate Chart
Totals and averages
| Annual average high temperature | 62.1 °F |
| Annual average low temperature | 39.7 °F |
| Average temperature | 50.9 °F |
| Average annual precipitation | 38.0 in. |