Harrisonburg, Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.1 °F (low) to 65.2 °F (high). Annual precipitation averages 38.3 Inches. Harrisonburg is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.6 °F | 42.8 °F | 2.59 in. |
| February | 24.4 °F | 46.1 °F | 2.21 in. |
| March | 30.7 °F | 54.2 °F | 3.15 in. |
| April | 40.2 °F | 65.8 °F | 3.26 in. |
| May | 49.9 °F | 73.8 °F | 3.91 in. |
| June | 58.9 °F | 82.1 °F | 4.08 in. |
| July | 62.5 °F | 85.8 °F | 3.99 in. |
| August | 60.8 °F | 84.2 °F | 3.47 in. |
| September | 54.0 °F | 77.9 °F | 3.76 in. |
| October | 42.3 °F | 67.2 °F | 2.45 in. |
| November | 32.3 °F | 55.9 °F | 2.49 in. |
| December | 26.1 °F | 46.4 °F | 2.93 in. |
| Annual | 42.1 °F | 65.2 °F | 38.29 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |