Meridian, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.7 °F (low) to 56.9 °F (high). Annual precipitation averages 43.2 Inches. Meridian 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.8 °F | 31.4 °F | 3.41 in. |
| February | 16.7 °F | 33.3 °F | 2.76 in. |
| March | 24.0 °F | 41.3 °F | 3.11 in. |
| April | 35.2 °F | 55.1 °F | 3.48 in. |
| May | 46.8 °F | 68.3 °F | 3.54 in. |
| June | 55.8 °F | 76.3 °F | 3.79 in. |
| July | 60.6 °F | 80.7 °F | 3.84 in. |
| August | 59.2 °F | 79.6 °F | 3.8 in. |
| September | 52.4 °F | 72.8 °F | 3.74 in. |
| October | 42.1 °F | 59.5 °F | 4.39 in. |
| November | 32.5 °F | 47.7 °F | 3.68 in. |
| December | 23.4 °F | 36.7 °F | 3.66 in. |
| Annual | 38.7 °F | 56.9 °F | 43.2 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |