Benton, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 35.2 °F (low) to 69.6 °F (high). Annual precipitation averages 7.2 Inches. Benton is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.6 °F | 50.0 °F | 1.08 in. |
| February | 23.3 °F | 52.0 °F | 1.16 in. |
| March | 27.4 °F | 58.7 °F | 0.88 in. |
| April | 32.5 °F | 65.5 °F | 0.46 in. |
| May | 40.0 °F | 74.9 °F | 0.5 in. |
| June | 48.0 °F | 86.2 °F | 0.5 in. |
| July | 54.1 °F | 93.2 °F | 0.44 in. |
| August | 51.6 °F | 91.7 °F | 0.25 in. |
| September | 44.7 °F | 83.8 °F | 0.3 in. |
| October | 34.9 °F | 71.7 °F | 0.4 in. |
| November | 25.4 °F | 58.8 °F | 0.48 in. |
| December | 19.9 °F | 49.1 °F | 0.7 in. |
| Annual | 35.2 °F | 69.6 °F | 7.15 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |