Vale Summit, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.6 °F (low) to 58.9 °F (high). Annual precipitation averages 45 Inches. Vale Summit is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.2 °F | 34.2 °F | 3.17 in. |
| February | 20.4 °F | 37.6 °F | 3.01 in. |
| March | 27.0 °F | 46.1 °F | 4.0 in. |
| April | 37.4 °F | 60.5 °F | 4.06 in. |
| May | 47.7 °F | 69.1 °F | 4.83 in. |
| June | 56.0 °F | 76.7 °F | 4.6 in. |
| July | 60.0 °F | 80.7 °F | 3.77 in. |
| August | 58.5 °F | 79.4 °F | 3.49 in. |
| September | 51.9 °F | 73.1 °F | 4.21 in. |
| October | 41.3 °F | 61.7 °F | 3.32 in. |
| November | 31.6 °F | 48.8 °F | 3.08 in. |
| December | 24.3 °F | 38.5 °F | 3.42 in. |
| Annual | 39.6 °F | 58.9 °F | 44.96 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |