Vina, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 49.2 °F (low) to 75.2 °F (high). Annual precipitation averages 23.4 Inches. Vina is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.1 °F | 56.2 °F | 4.59 in. |
| February | 40.3 °F | 60.9 °F | 4.13 in. |
| March | 42.9 °F | 66.0 °F | 3.17 in. |
| April | 45.9 °F | 71.7 °F | 1.47 in. |
| May | 52.7 °F | 80.5 °F | 1.2 in. |
| June | 59.3 °F | 88.8 °F | 0.41 in. |
| July | 62.8 °F | 95.1 °F | 0.03 in. |
| August | 61.1 °F | 93.7 °F | 0.07 in. |
| September | 57.5 °F | 90.0 °F | 0.23 in. |
| October | 50.5 °F | 79.2 °F | 0.98 in. |
| November | 42.2 °F | 64.7 °F | 2.45 in. |
| December | 37.6 °F | 55.9 °F | 4.62 in. |
| Annual | 49.2 °F | 75.2 °F | 23.35 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |