Oxford, Idaho has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.1 °F (low) to 59.1 °F (high). Annual precipitation averages 16.7 Inches. 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 | 13.9 °F | 32.4 °F | 1.65 in. |
| February | 16.9 °F | 37.0 °F | 1.46 in. |
| March | 25.6 °F | 47.8 °F | 1.65 in. |
| April | 31.1 °F | 56.9 °F | 1.84 in. |
| May | 38.8 °F | 66.4 °F | 2.1 in. |
| June | 44.3 °F | 77.0 °F | 1.19 in. |
| July | 52.1 °F | 88.0 °F | 0.68 in. |
| August | 50.6 °F | 86.7 °F | 0.88 in. |
| September | 41.3 °F | 76.2 °F | 1.34 in. |
| October | 31.8 °F | 61.2 °F | 1.39 in. |
| November | 22.9 °F | 45.6 °F | 1.19 in. |
| December | 15.3 °F | 33.7 °F | 1.33 in. |
| Annual | 32.1 °F | 59.1 °F | 16.7 in. |
| 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 : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |