Maryland, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.5 °F (low) to 55.1 °F (high). Annual precipitation averages 46 Inches. Maryland 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.2 °F | 30.6 °F | 3.21 in. |
| February | 14.0 °F | 32.7 °F | 2.62 in. |
| March | 20.6 °F | 40.7 °F | 3.46 in. |
| April | 30.8 °F | 54.1 °F | 3.99 in. |
| May | 41.5 °F | 66.2 °F | 3.81 in. |
| June | 51.0 °F | 73.3 °F | 4.64 in. |
| July | 55.7 °F | 77.7 °F | 4.59 in. |
| August | 53.9 °F | 76.6 °F | 4.43 in. |
| September | 48.2 °F | 70.1 °F | 3.99 in. |
| October | 37.8 °F | 57.8 °F | 4.2 in. |
| November | 28.1 °F | 46.5 °F | 3.5 in. |
| December | 20.0 °F | 35.3 °F | 3.56 in. |
| Annual | 34.5 °F | 55.1 °F | 46 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |