Tahoma, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from -1 °C (low) to 14.2 °C (high). Annual precipitation averages 970 Millimeters. Tahoma is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7 °C | 4.9 °C | 161.54 mm |
| February | -6.6 °C | 5.5 °C | 182.63 mm |
| March | -4.7 °C | 7.9 °C | 134.62 mm |
| April | -2.9 °C | 10.7 °C | 75.18 mm |
| May | 0.4 °C | 15.8 °C | 52.07 mm |
| June | 3.4 °C | 21.4 °C | 23.11 mm |
| July | 6.8 °C | 26.1 °C | 9.91 mm |
| August | 6.4 °C | 25.8 °C | 6.1 mm |
| September | 3.6 °C | 22 °C | 17.27 mm |
| October | -0.3 °C | 15.8 °C | 50.29 mm |
| November | -3.9 °C | 9.3 °C | 95.25 mm |
| December | -6.7 °C | 4.9 °C | 162.05 mm |
| Annual | -1 °C | 14.2 °C | 970.02 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |