Oxford, Idaho has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Annual precipitation averages 424.2 Millimeters. Oxford is located in USDA Plant Hardiness Zone 5b. 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 | -10.1 °C | 0.2 °C | 41.91 mm |
| February | -8.4 °C | 2.8 °C | 37.08 mm |
| March | -3.6 °C | 8.8 °C | 41.91 mm |
| April | -0.5 °C | 13.8 °C | 46.74 mm |
| May | 3.8 °C | 19.1 °C | 53.34 mm |
| June | 6.8 °C | 25 °C | 30.23 mm |
| July | 11.2 °C | 31.1 °C | 17.27 mm |
| August | 10.3 °C | 30.4 °C | 22.35 mm |
| September | 5.2 °C | 24.6 °C | 34.04 mm |
| October | -0.1 °C | 16.2 °C | 35.31 mm |
| November | -5.1 °C | 7.6 °C | 30.23 mm |
| December | -9.3 °C | 0.9 °C | 33.78 mm |
| Annual | 0 °C | 15 °C | 424.19 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |