Buena Vista, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 49.1 °F (low) to 74.8 °F (high). Annual precipitation averages 23.1 Inches. Buena Vista is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.0 °F | 55.8 °F | 4.36 in. |
| February | 41.2 °F | 60.9 °F | 4.0 in. |
| March | 44.1 °F | 65.9 °F | 3.5 in. |
| April | 46.5 °F | 70.6 °F | 2.09 in. |
| May | 51.5 °F | 79.6 °F | 1.33 in. |
| June | 56.6 °F | 88.3 °F | 0.22 in. |
| July | 60.2 °F | 94.4 °F | 0.03 in. |
| August | 60.0 °F | 93.4 °F | 0.1 in. |
| September | 57.5 °F | 88.9 °F | 0.18 in. |
| October | 50.9 °F | 78.7 °F | 0.99 in. |
| November | 43.3 °F | 65.0 °F | 2.23 in. |
| December | 38.6 °F | 56.2 °F | 4.08 in. |
| Annual | 49.1 °F | 74.8 °F | 23.11 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| 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 | Csa - Hot-Summer Mediterranean Climate |