Saranac, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.2 °F (low) to 53.2 °F (high). Annual precipitation averages 41.4 Inches. Saranac is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.8 °F | 26.3 °F | 2.61 in. |
| February | 8.6 °F | 28.9 °F | 2.19 in. |
| March | 17.9 °F | 37.4 °F | 2.62 in. |
| April | 31.1 °F | 51.7 °F | 3.42 in. |
| May | 42.9 °F | 65.4 °F | 3.74 in. |
| June | 52.2 °F | 73.8 °F | 4.64 in. |
| July | 57.0 °F | 78.2 °F | 4.03 in. |
| August | 55.2 °F | 76.4 °F | 3.97 in. |
| September | 47.6 °F | 69.8 °F | 3.74 in. |
| October | 37.3 °F | 56.2 °F | 4.47 in. |
| November | 26.7 °F | 43.1 °F | 3.04 in. |
| December | 14.9 °F | 31.7 °F | 2.9 in. |
| Annual | 33.2 °F | 53.2 °F | 41.37 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |