Caledonia, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.9 °F (low) to 57.6 °F (high). Annual precipitation averages 34.8 Inches. Caledonia is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 32.5 °F | 2.32 in. |
| February | 17.4 °F | 34.1 °F | 1.81 in. |
| March | 24.5 °F | 42.4 °F | 2.52 in. |
| April | 35.2 °F | 55.7 °F | 2.95 in. |
| May | 46.7 °F | 68.6 °F | 3.11 in. |
| June | 56.2 °F | 77.1 °F | 3.45 in. |
| July | 60.8 °F | 81.1 °F | 3.51 in. |
| August | 59.1 °F | 79.6 °F | 3.34 in. |
| September | 52.1 °F | 73.2 °F | 3.15 in. |
| October | 42.0 °F | 60.7 °F | 3.4 in. |
| November | 32.4 °F | 48.3 °F | 2.74 in. |
| December | 23.9 °F | 37.8 °F | 2.53 in. |
| Annual | 38.9 °F | 57.6 °F | 34.83 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |