Gorman, Maryland has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.7 °F (low) to 58.5 °F (high). Annual precipitation averages 51.7 Inches. Gorman is located in USDA Plant Hardiness Zone 6a. 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 | 17.7 °F | 35.2 °F | 4.21 in. |
| February | 19.2 °F | 38.6 °F | 3.95 in. |
| March | 25.1 °F | 46.6 °F | 4.53 in. |
| April | 34.5 °F | 59.7 °F | 4.51 in. |
| May | 44.5 °F | 67.9 °F | 5.4 in. |
| June | 52.9 °F | 75.4 °F | 5.23 in. |
| July | 56.7 °F | 78.8 °F | 5.25 in. |
| August | 55.0 °F | 77.7 °F | 4.0 in. |
| September | 48.0 °F | 71.9 °F | 3.9 in. |
| October | 37.1 °F | 61.1 °F | 3.33 in. |
| November | 28.1 °F | 49.0 °F | 3.21 in. |
| December | 22.0 °F | 39.5 °F | 4.17 in. |
| Annual | 36.7 °F | 58.5 °F | 51.69 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |