Bieber, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 33.6 °F (low) to 63.4 °F (high). Annual precipitation averages 18.5 Inches. Bieber is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.6 °F | 44.2 °F | 2.74 in. |
| February | 24.3 °F | 47.8 °F | 2.17 in. |
| March | 27.7 °F | 53.1 °F | 2.17 in. |
| April | 31.4 °F | 58.3 °F | 1.86 in. |
| May | 37.5 °F | 67.5 °F | 1.81 in. |
| June | 43.2 °F | 76.9 °F | 0.74 in. |
| July | 48.8 °F | 86.7 °F | 0.26 in. |
| August | 46.8 °F | 85.6 °F | 0.19 in. |
| September | 40.4 °F | 79.5 °F | 0.45 in. |
| October | 32.4 °F | 66.6 °F | 1.13 in. |
| November | 26.3 °F | 52.1 °F | 1.99 in. |
| December | 21.6 °F | 42.7 °F | 3.0 in. |
| Annual | 33.6 °F | 63.4 °F | 18.51 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°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 |