Truckee, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 27.4 °F (low) to 60 °F (high). Annual precipitation averages 30 Inches. Truckee is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.7 °F | 41.9 °F | 5.53 in. |
| February | 17.1 °F | 44.3 °F | 4.92 in. |
| March | 21.6 °F | 48.6 °F | 4.57 in. |
| April | 25.3 °F | 54.2 °F | 2.21 in. |
| May | 31.4 °F | 62.9 °F | 1.42 in. |
| June | 36.4 °F | 73.1 °F | 0.63 in. |
| July | 41.7 °F | 82.1 °F | 0.27 in. |
| August | 40.0 °F | 81.4 °F | 0.43 in. |
| September | 34.8 °F | 75.2 °F | 0.56 in. |
| October | 27.5 °F | 63.9 °F | 1.66 in. |
| November | 21.3 °F | 50.9 °F | 2.65 in. |
| December | 16.1 °F | 41.0 °F | 5.1 in. |
| Annual | 27.4 °F | 60 °F | 29.95 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |