Shelter Cove, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 48.3 °F (low) to 63 °F (high). Annual precipitation averages 62.9 Inches. Shelter Cove is located in USDA Plant Hardiness Zone 10a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 45.4 °F | 56.5 °F | 11.22 in. |
| February | 45.0 °F | 57.5 °F | 8.87 in. |
| March | 44.7 °F | 58.9 °F | 8.22 in. |
| April | 46.0 °F | 61.1 °F | 5.4 in. |
| May | 48.4 °F | 64.5 °F | 3.61 in. |
| June | 50.2 °F | 67.4 °F | 1.35 in. |
| July | 52.3 °F | 68.1 °F | 0.07 in. |
| August | 52.7 °F | 69.3 °F | 0.22 in. |
| September | 52.0 °F | 69.2 °F | 0.57 in. |
| October | 50.5 °F | 66.3 °F | 3.72 in. |
| November | 47.4 °F | 60.5 °F | 7.11 in. |
| December | 45.1 °F | 56.9 °F | 12.49 in. |
| Annual | 48.3 °F | 63 °F | 62.85 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |