Nipinnawasee, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 47.1 °F (low) to 73.1 °F (high). Annual precipitation averages 33.6 Inches. Nipinnawasee is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.7 °F | 55.8 °F | 7.47 in. |
| February | 36.5 °F | 56.7 °F | 6.47 in. |
| March | 39.1 °F | 61.0 °F | 4.87 in. |
| April | 41.8 °F | 66.4 °F | 2.86 in. |
| May | 48.4 °F | 76.2 °F | 1.6 in. |
| June | 55.8 °F | 86.9 °F | 0.45 in. |
| July | 63.2 °F | 94.9 °F | 0.1 in. |
| August | 62.5 °F | 95.1 °F | 0.17 in. |
| September | 57.6 °F | 88.6 °F | 0.19 in. |
| October | 49.0 °F | 76.8 °F | 1.34 in. |
| November | 40.8 °F | 63.5 °F | 2.79 in. |
| December | 35.2 °F | 54.9 °F | 5.28 in. |
| Annual | 47.1 °F | 73.1 °F | 33.59 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |