Oxford, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.8 °C (low) to 18.8 °C (high). Annual precipitation averages 1174.7 Millimeters. Oxford is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.5 °C | 6.4 °C | 85.34 mm |
| February | -1 °C | 7.6 °C | 73.66 mm |
| March | 2.7 °C | 11.9 °C | 106.93 mm |
| April | 8.2 °C | 18.4 °C | 88.14 mm |
| May | 13.5 °C | 23.2 °C | 103.12 mm |
| June | 18.8 °C | 28.2 °C | 103.63 mm |
| July | 21.6 °C | 30.8 °C | 114.05 mm |
| August | 20.7 °C | 29.8 °C | 114.55 mm |
| September | 17.3 °C | 26.6 °C | 101.85 mm |
| October | 11.2 °C | 20.4 °C | 105.16 mm |
| November | 5.4 °C | 13.9 °C | 82.8 mm |
| December | 1 °C | 8.8 °C | 95.5 mm |
| Annual | 9.8 °C | 18.8 °C | 1174.73 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |