Coffee Creek, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 41.1 °F (low) to 68.7 °F (high). Annual precipitation averages 53.6 Inches. Coffee Creek is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.0 °F | 46.4 °F | 9.52 in. |
| February | 31.8 °F | 51.9 °F | 8.99 in. |
| March | 34.3 °F | 57.9 °F | 7.04 in. |
| April | 37.3 °F | 65.0 °F | 4.13 in. |
| May | 43.7 °F | 74.7 °F | 2.73 in. |
| June | 49.6 °F | 83.9 °F | 1.7 in. |
| July | 56.0 °F | 93.7 °F | 0.51 in. |
| August | 54.3 °F | 93.3 °F | 0.34 in. |
| September | 48.7 °F | 86.4 °F | 0.5 in. |
| October | 40.9 °F | 71.5 °F | 2.62 in. |
| November | 35.1 °F | 54.5 °F | 5.49 in. |
| December | 31.0 °F | 45.2 °F | 10.05 in. |
| Annual | 41.1 °F | 68.7 °F | 53.62 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°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 |