Big Bear City, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 33.7 °F (low) to 62 °F (high). Annual precipitation averages 20 Inches. Big Bear City is located in USDA Plant Hardiness Zone 7a. 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 | 23.2 °F | 47.6 °F | 4.7 in. |
| February | 22.9 °F | 47.4 °F | 4.13 in. |
| March | 25.9 °F | 51.7 °F | 2.69 in. |
| April | 29.6 °F | 57.4 °F | 0.93 in. |
| May | 35.6 °F | 65.6 °F | 0.39 in. |
| June | 42.4 °F | 75.0 °F | 0.14 in. |
| July | 49.1 °F | 80.1 °F | 0.58 in. |
| August | 48.7 °F | 79.2 °F | 0.59 in. |
| September | 43.0 °F | 73.7 °F | 0.43 in. |
| October | 34.4 °F | 64.5 °F | 0.87 in. |
| November | 27.1 °F | 54.4 °F | 1.25 in. |
| December | 22.8 °F | 47.1 °F | 3.27 in. |
| Annual | 33.7 °F | 62 °F | 19.97 in. |
| 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |