Ludlow, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.1 °F (low) to 59.8 °F (high). Annual precipitation averages 46.6 Inches. Ludlow is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.2 °F | 34.2 °F | 3.36 in. |
| February | 17.3 °F | 37.1 °F | 2.98 in. |
| March | 26.0 °F | 45.4 °F | 3.86 in. |
| April | 36.6 °F | 58.9 °F | 3.75 in. |
| May | 47.0 °F | 70.1 °F | 3.55 in. |
| June | 56.3 °F | 78.4 °F | 4.26 in. |
| July | 61.9 °F | 83.7 °F | 3.98 in. |
| August | 60.1 °F | 82.2 °F | 4.14 in. |
| September | 52.4 °F | 75.0 °F | 4.42 in. |
| October | 41.0 °F | 62.4 °F | 4.74 in. |
| November | 31.2 °F | 50.3 °F | 3.47 in. |
| December | 22.8 °F | 39.6 °F | 4.11 in. |
| Annual | 39.1 °F | 59.8 °F | 46.62 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |