El Cerrito, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 51.7 °F (low) to 79.3 °F (high). Annual precipitation averages 11.1 Inches. El Cerrito 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. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 43.5 °F | 67.4 °F | 2.38 in. |
| February | 43.9 °F | 67.9 °F | 2.89 in. |
| March | 46.1 °F | 71.1 °F | 1.73 in. |
| April | 48.5 °F | 75.4 °F | 0.61 in. |
| May | 53.1 °F | 79.6 °F | 0.22 in. |
| June | 57.1 °F | 86.6 °F | 0.05 in. |
| July | 61.9 °F | 93.3 °F | 0.1 in. |
| August | 62.7 °F | 94.8 °F | 0.05 in. |
| September | 60.3 °F | 91.4 °F | 0.12 in. |
| October | 54.1 °F | 82.8 °F | 0.45 in. |
| November | 46.7 °F | 74.4 °F | 0.63 in. |
| December | 42.5 °F | 66.9 °F | 1.87 in. |
| Annual | 51.7 °F | 79.3 °F | 11.1 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |