Pilot Rock, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 38.6 °F (low) to 64.2 °F (high). Annual precipitation averages 14.9 Inches. Pilot Rock is located in USDA Plant Hardiness Zone 7a. 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 | 26.9 °F | 42.7 °F | 1.45 in. |
| February | 28.2 °F | 47.5 °F | 1.23 in. |
| March | 32.3 °F | 55.5 °F | 1.66 in. |
| April | 36.7 °F | 62.0 °F | 1.63 in. |
| May | 43.1 °F | 70.8 °F | 2.06 in. |
| June | 48.7 °F | 78.2 °F | 1.37 in. |
| July | 53.9 °F | 88.8 °F | 0.29 in. |
| August | 53.1 °F | 88.4 °F | 0.42 in. |
| September | 45.8 °F | 78.9 °F | 0.65 in. |
| October | 37.4 °F | 65.0 °F | 1.07 in. |
| November | 31.0 °F | 50.7 °F | 1.52 in. |
| December | 26.5 °F | 41.9 °F | 1.56 in. |
| Annual | 38.6 °F | 64.2 °F | 14.91 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |