North Bay, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37 °F (low) to 56.5 °F (high). Annual precipitation averages 47.2 Inches. North Bay 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.0 °F | 30.3 °F | 3.42 in. |
| February | 13.9 °F | 32.5 °F | 2.93 in. |
| March | 22.3 °F | 40.5 °F | 3.26 in. |
| April | 34.1 °F | 55.1 °F | 3.63 in. |
| May | 45.4 °F | 68.2 °F | 4.2 in. |
| June | 54.5 °F | 76.3 °F | 4.45 in. |
| July | 59.1 °F | 80.8 °F | 4.27 in. |
| August | 57.9 °F | 79.5 °F | 4.07 in. |
| September | 50.5 °F | 72.6 °F | 4.31 in. |
| October | 40.4 °F | 59.5 °F | 4.95 in. |
| November | 31.1 °F | 47.0 °F | 3.83 in. |
| December | 21.2 °F | 35.7 °F | 3.91 in. |
| Annual | 37 °F | 56.5 °F | 47.23 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |