Whitehall, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.5 °F (low) to 58.3 °F (high). Annual precipitation averages 43.3 Inches. Whitehall is located in USDA Plant Hardiness Zone 5a. 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 | 12.2 °F | 30.5 °F | 3.02 in. |
| February | 12.8 °F | 33.8 °F | 2.44 in. |
| March | 23.5 °F | 42.7 °F | 3.28 in. |
| April | 35.1 °F | 58.2 °F | 3.47 in. |
| May | 46.7 °F | 70.4 °F | 3.4 in. |
| June | 56.0 °F | 79.3 °F | 4.28 in. |
| July | 61.2 °F | 83.9 °F | 4.52 in. |
| August | 59.5 °F | 81.8 °F | 4.43 in. |
| September | 51.7 °F | 74.3 °F | 3.6 in. |
| October | 40.2 °F | 60.9 °F | 4.17 in. |
| November | 30.5 °F | 47.2 °F | 3.25 in. |
| December | 21.0 °F | 36.0 °F | 3.43 in. |
| Annual | 37.5 °F | 58.3 °F | 43.29 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 5a : -20°F to -15°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 |