Rensselaerville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.4 °F (low) to 55.8 °F (high). Annual precipitation averages 43.1 Inches. Rensselaerville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.2 °F | 31.4 °F | 2.76 in. |
| February | 12.1 °F | 34.1 °F | 2.44 in. |
| March | 19.2 °F | 41.4 °F | 3.28 in. |
| April | 30.8 °F | 54.6 °F | 3.45 in. |
| May | 41.8 °F | 66.5 °F | 3.51 in. |
| June | 50.5 °F | 74.5 °F | 4.54 in. |
| July | 54.9 °F | 78.7 °F | 3.9 in. |
| August | 53.2 °F | 77.3 °F | 4.06 in. |
| September | 46.3 °F | 70.8 °F | 3.78 in. |
| October | 35.7 °F | 58.4 °F | 5.07 in. |
| November | 27.0 °F | 46.5 °F | 2.95 in. |
| December | 18.1 °F | 35.9 °F | 3.32 in. |
| Annual | 33.4 °F | 55.8 °F | 43.06 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |