Rathbone, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.6 °F (low) to 57.2 °F (high). Annual precipitation averages 35.9 Inches. Rathbone is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.6 °F | 32.3 °F | 2.13 in. |
| February | 14.9 °F | 34.6 °F | 1.75 in. |
| March | 22.0 °F | 42.9 °F | 2.58 in. |
| April | 32.4 °F | 56.1 °F | 3.06 in. |
| May | 43.6 °F | 68.4 °F | 3.27 in. |
| June | 52.4 °F | 76.4 °F | 3.76 in. |
| July | 56.6 °F | 80.5 °F | 3.62 in. |
| August | 55.1 °F | 79.1 °F | 3.49 in. |
| September | 47.9 °F | 72.4 °F | 3.74 in. |
| October | 37.7 °F | 59.8 °F | 3.55 in. |
| November | 28.9 °F | 47.2 °F | 2.62 in. |
| December | 21.1 °F | 36.4 °F | 2.34 in. |
| Annual | 35.6 °F | 57.2 °F | 35.91 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |