Brookings, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 46.8 °F (low) to 60.9 °F (high). Annual precipitation averages 76.1 Inches. Brookings is located in USDA Plant Hardiness Zone 10a. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 11 - Jan. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.7 °F | 54.2 °F | 12.14 in. |
| February | 42.6 °F | 55.5 °F | 9.66 in. |
| March | 42.8 °F | 56.8 °F | 9.81 in. |
| April | 44.2 °F | 58.7 °F | 7.18 in. |
| May | 47.3 °F | 62.6 °F | 3.36 in. |
| June | 49.9 °F | 65.6 °F | 2.09 in. |
| July | 52.2 °F | 67.3 °F | 0.37 in. |
| August | 52.7 °F | 66.8 °F | 0.57 in. |
| September | 51.0 °F | 67.5 °F | 1.38 in. |
| October | 48.5 °F | 64.2 °F | 5.13 in. |
| November | 45.3 °F | 57.4 °F | 10.47 in. |
| December | 42.5 °F | 54.0 °F | 13.92 in. |
| Annual | 46.8 °F | 60.9 °F | 76.08 in. |
| Average First Frost Date | Jan. 11 - Jan. 20 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |