Taneytown, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.7 °F (low) to 64 °F (high). Annual precipitation averages 44.1 Inches. Taneytown is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.1 °F | 39.6 °F | 3.16 in. |
| February | 23.6 °F | 43.2 °F | 2.6 in. |
| March | 30.4 °F | 51.8 °F | 3.74 in. |
| April | 40.5 °F | 64.5 °F | 3.49 in. |
| May | 50.3 °F | 73.5 °F | 4.17 in. |
| June | 59.7 °F | 81.9 °F | 3.94 in. |
| July | 64.2 °F | 86.5 °F | 4.03 in. |
| August | 62.2 °F | 84.5 °F | 3.5 in. |
| September | 55.3 °F | 77.9 °F | 4.91 in. |
| October | 43.6 °F | 66.1 °F | 3.8 in. |
| November | 33.7 °F | 54.8 °F | 3.2 in. |
| December | 27.0 °F | 44.0 °F | 3.56 in. |
| Annual | 42.7 °F | 64 °F | 44.1 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |