Oxford, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.4 °F (low) to 59.1 °F (high). Annual precipitation averages 49.9 Inches. Oxford is located in USDA Plant Hardiness Zone 6b. 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 | 16.2 °F | 35.2 °F | 3.81 in. |
| February | 17.2 °F | 37.6 °F | 3.18 in. |
| March | 25.0 °F | 45.3 °F | 4.46 in. |
| April | 35.3 °F | 57.7 °F | 4.46 in. |
| May | 45.9 °F | 68.5 °F | 3.6 in. |
| June | 55.1 °F | 76.7 °F | 4.35 in. |
| July | 61.0 °F | 82.0 °F | 3.97 in. |
| August | 59.2 °F | 80.3 °F | 4.33 in. |
| September | 51.7 °F | 73.4 °F | 4.31 in. |
| October | 40.2 °F | 61.4 °F | 5.06 in. |
| November | 30.9 °F | 50.7 °F | 3.82 in. |
| December | 22.5 °F | 40.4 °F | 4.53 in. |
| Annual | 38.4 °F | 59.1 °F | 49.88 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°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 |