Saratoga, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 47.1 °F (low) to 72.4 °F (high). Annual precipitation averages 24.4 Inches. Saratoga 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. 11 - Jan. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.6 °F | 60.0 °F | 5.2 in. |
| February | 41.4 °F | 62.3 °F | 5.77 in. |
| March | 43.5 °F | 66.1 °F | 3.59 in. |
| April | 45.2 °F | 69.8 °F | 1.61 in. |
| May | 49.0 °F | 75.3 °F | 0.49 in. |
| June | 52.0 °F | 81.4 °F | 0.15 in. |
| July | 54.8 °F | 84.5 °F | 0.0 in. |
| August | 54.8 °F | 84.4 °F | 0.06 in. |
| September | 53.3 °F | 82.9 °F | 0.07 in. |
| October | 49.2 °F | 76.7 °F | 0.89 in. |
| November | 43.2 °F | 66.4 °F | 2.02 in. |
| December | 39.3 °F | 59.2 °F | 4.5 in. |
| Annual | 47.1 °F | 72.4 °F | 24.35 in. |
| Average First Frost Date | Jan. 11 - Jan. 20 |
| 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 | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |