Broadalbin, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.3 °C (low) to 13.1 °C (high). Annual precipitation averages 1205.5 Millimeters. Broadalbin is located in USDA Plant Hardiness Zone 5b. 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 | -11.1 °C | -1.4 °C | 95 mm |
| February | -10.3 °C | 0.1 °C | 72.14 mm |
| March | -5.8 °C | 4.9 °C | 89.66 mm |
| April | 0.7 °C | 12.4 °C | 96.77 mm |
| May | 7.3 °C | 19.5 °C | 108.2 mm |
| June | 12.3 °C | 24 °C | 118.87 mm |
| July | 15.2 °C | 26.4 °C | 113.28 mm |
| August | 14.2 °C | 25.7 °C | 103.12 mm |
| September | 10.1 °C | 21.7 °C | 108.97 mm |
| October | 3.8 °C | 14.8 °C | 111.76 mm |
| November | -1.8 °C | 7.6 °C | 88.9 mm |
| December | -6.9 °C | 1.5 °C | 98.81 mm |
| Annual | 2.3 °C | 13.1 °C | 1205.48 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |