Coquille, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.1 °C (low) to 16.9 °C (high). Annual precipitation averages 1371.9 Millimeters. Coquille is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4 °C | 12.2 °C | 219.46 mm |
| February | 4 °C | 12.8 °C | 166.37 mm |
| March | 4.5 °C | 13.3 °C | 174.24 mm |
| April | 5.6 °C | 15.4 °C | 123.19 mm |
| May | 7.8 °C | 17.8 °C | 68.07 mm |
| June | 9.8 °C | 19.8 °C | 36.83 mm |
| July | 11.2 °C | 21.7 °C | 8.64 mm |
| August | 11.1 °C | 22.4 °C | 9.4 mm |
| September | 9.6 °C | 22.2 °C | 31.5 mm |
| October | 7.7 °C | 19.2 °C | 91.44 mm |
| November | 5.5 °C | 14.2 °C | 191.01 mm |
| December | 3.8 °C | 11.7 °C | 251.71 mm |
| Annual | 7.1 °C | 16.9 °C | 1371.86 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |