South Lake Tahoe, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 30.3 °F (low) to 59.3 °F (high). Annual precipitation averages 23.9 Inches. South Lake Tahoe is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.5 °F | 42.8 °F | 4.11 in. |
| February | 20.2 °F | 44.0 °F | 4.02 in. |
| March | 23.5 °F | 48.6 °F | 3.3 in. |
| April | 26.8 °F | 53.4 °F | 1.55 in. |
| May | 32.8 °F | 62.1 °F | 1.11 in. |
| June | 38.6 °F | 72.2 °F | 0.51 in. |
| July | 44.4 °F | 80.4 °F | 0.27 in. |
| August | 43.4 °F | 79.7 °F | 0.32 in. |
| September | 38.9 °F | 73.3 °F | 0.35 in. |
| October | 31.3 °F | 62.1 °F | 1.46 in. |
| November | 24.5 °F | 50.2 °F | 2.09 in. |
| December | 19.7 °F | 42.4 °F | 4.82 in. |
| Annual | 30.3 °F | 59.3 °F | 23.91 in. |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |