Germantown, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.3 °F (low) to 61 °F (high). Annual precipitation averages 44.3 Inches. Germantown is located in USDA Plant Hardiness Zone 6a. 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 | 17.5 °F | 35.0 °F | 3.1 in. |
| February | 19.1 °F | 38.0 °F | 2.51 in. |
| March | 27.0 °F | 47.2 °F | 3.29 in. |
| April | 38.0 °F | 61.3 °F | 3.59 in. |
| May | 48.5 °F | 72.5 °F | 3.44 in. |
| June | 57.8 °F | 80.4 °F | 4.35 in. |
| July | 62.5 °F | 85.0 °F | 4.09 in. |
| August | 61.3 °F | 82.8 °F | 4.51 in. |
| September | 53.4 °F | 75.6 °F | 4.19 in. |
| October | 42.2 °F | 63.0 °F | 4.42 in. |
| November | 32.5 °F | 51.0 °F | 3.15 in. |
| December | 24.1 °F | 39.6 °F | 3.65 in. |
| Annual | 40.3 °F | 61 °F | 44.29 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |