Hood River, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 42.3 °F (low) to 62.5 °F (high). Annual precipitation averages 33.5 Inches. Hood River is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.1 °F | 42.5 °F | 5.52 in. |
| February | 32.8 °F | 48.0 °F | 3.89 in. |
| March | 35.8 °F | 54.9 °F | 3.7 in. |
| April | 40.1 °F | 61.4 °F | 2.16 in. |
| May | 45.9 °F | 69.3 °F | 1.49 in. |
| June | 51.0 °F | 74.8 °F | 0.87 in. |
| July | 55.7 °F | 82.8 °F | 0.14 in. |
| August | 55.3 °F | 83.4 °F | 0.32 in. |
| September | 48.8 °F | 76.8 °F | 0.65 in. |
| October | 41.6 °F | 64.0 °F | 2.78 in. |
| November | 36.1 °F | 50.3 °F | 5.41 in. |
| December | 32.3 °F | 42.2 °F | 6.6 in. |
| Annual | 42.3 °F | 62.5 °F | 33.53 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |