Canajoharie, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.5 °F (low) to 58.8 °F (high). Annual precipitation averages 41.6 Inches. Canajoharie is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.2 °F | 31.9 °F | 2.9 in. |
| February | 16.5 °F | 34.7 °F | 2.53 in. |
| March | 24.3 °F | 43.2 °F | 3.02 in. |
| April | 36.0 °F | 58.2 °F | 3.48 in. |
| May | 47.0 °F | 70.7 °F | 3.35 in. |
| June | 55.8 °F | 79.0 °F | 4.13 in. |
| July | 61.1 °F | 83.6 °F | 4.4 in. |
| August | 59.3 °F | 81.9 °F | 4.3 in. |
| September | 52.3 °F | 74.9 °F | 3.37 in. |
| October | 41.1 °F | 62.2 °F | 3.82 in. |
| November | 30.9 °F | 48.4 °F | 3.1 in. |
| December | 22.1 °F | 37.2 °F | 3.2 in. |
| Annual | 38.5 °F | 58.8 °F | 41.6 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |