Medford, Oregon has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 40.6 °F (low) to 67.8 °F (high). Annual precipitation averages 20.3 Inches. Medford is located in USDA Plant Hardiness Zone 8b. 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 | 31.6 °F | 48.4 °F | 2.88 in. |
| February | 32.5 °F | 54.2 °F | 2.12 in. |
| March | 34.8 °F | 59.1 °F | 2.01 in. |
| April | 38.1 °F | 64.2 °F | 1.8 in. |
| May | 43.6 °F | 73.1 °F | 1.35 in. |
| June | 48.4 °F | 80.4 °F | 0.79 in. |
| July | 53.7 °F | 90.2 °F | 0.31 in. |
| August | 52.6 °F | 90.1 °F | 0.43 in. |
| September | 46.5 °F | 83.4 °F | 0.54 in. |
| October | 38.9 °F | 69.7 °F | 1.37 in. |
| November | 35.0 °F | 54.5 °F | 2.84 in. |
| December | 31.7 °F | 46.6 °F | 3.88 in. |
| Annual | 40.6 °F | 67.8 °F | 20.32 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |