Climate - Freeport - Illinois
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 25 | 31 | 43 | 57 | 69 | 78 |
| Average low in °F | 9 | 14 | 25 | 36 | 47 | 57 |
| Av. precipitation - inch | 1.34 | 1.34 | 2.13 | 3.23 | 3.98 | 4.45 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 82 | 80 | 73 | 61 | 44 | 31 |
| Average low in °F | 62 | 59 | 50 | 38 | 28 | 15 |
| Av. precipitation - inch | 3.58 | 4.09 | 3.66 | 2.6 | 2.68 | 1.73 |
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Freeport Climate Graph - Illinois Climate Chart
Totals and averages
| Annual average high temperature | 56.2 °F |
| Annual average low temperature | 36.9 °F |
| Average temperature | 46.5 °F |
| Average annual precipitation | 34.8 in. |