Squaw Valley, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 9.4 °C (low) to 24 °C (high). Annual precipitation averages 614.9 Millimeters. Squaw Valley 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 Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.6 °C | 13.5 °C | 122.94 mm |
| February | 3.7 °C | 15.2 °C | 108.46 mm |
| March | 5.3 °C | 17.9 °C | 102.11 mm |
| April | 6.8 °C | 20.8 °C | 53.85 mm |
| May | 10.3 °C | 26.2 °C | 26.16 mm |
| June | 14.4 °C | 31.9 °C | 9.65 mm |
| July | 18.4 °C | 36.1 °C | 3.3 mm |
| August | 18.1 °C | 35.8 °C | 1.52 mm |
| September | 15.2 °C | 32.6 °C | 5.08 mm |
| October | 10.2 °C | 26.1 °C | 30.23 mm |
| November | 5.3 °C | 18.4 °C | 50.55 mm |
| December | 2.2 °C | 13.3 °C | 101.09 mm |
| Annual | 9.4 °C | 24 °C | 614.94 mm |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |