East Orosi, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 49.8 °F (low) to 77 °F (high). Annual precipitation averages 12.3 Inches. East Orosi is located in USDA Plant Hardiness Zone 9b. 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 | 37.8 °F | 56.8 °F | 2.52 in. |
| February | 40.5 °F | 62.4 °F | 2.04 in. |
| March | 43.8 °F | 68.4 °F | 2.15 in. |
| April | 47.1 °F | 73.9 °F | 1.25 in. |
| May | 53.4 °F | 83.0 °F | 0.48 in. |
| June | 59.2 °F | 91.5 °F | 0.17 in. |
| July | 64.9 °F | 97.4 °F | 0.02 in. |
| August | 63.2 °F | 96.5 °F | 0.0 in. |
| September | 58.6 °F | 91.1 °F | 0.06 in. |
| October | 50.7 °F | 79.7 °F | 0.57 in. |
| November | 41.9 °F | 66.6 °F | 1.07 in. |
| December | 36.8 °F | 56.9 °F | 1.98 in. |
| Annual | 49.8 °F | 77 °F | 12.31 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |