East Orosi, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.9 °C (low) to 25 °C (high). Annual precipitation averages 312.7 Millimeters. 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 | 3.2 °C | 13.8 °C | 64.01 mm |
| February | 4.7 °C | 16.9 °C | 51.82 mm |
| March | 6.6 °C | 20.2 °C | 54.61 mm |
| April | 8.4 °C | 23.3 °C | 31.75 mm |
| May | 11.9 °C | 28.3 °C | 12.19 mm |
| June | 15.1 °C | 33.1 °C | 4.32 mm |
| July | 18.3 °C | 36.3 °C | 0.51 mm |
| August | 17.3 °C | 35.8 °C | 0 mm |
| September | 14.8 °C | 32.8 °C | 1.52 mm |
| October | 10.4 °C | 26.5 °C | 14.48 mm |
| November | 5.5 °C | 19.2 °C | 27.18 mm |
| December | 2.7 °C | 13.8 °C | 50.29 mm |
| Annual | 9.9 °C | 25 °C | 312.68 mm |
| 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 : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |