La Porte, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 39.5 °F (low) to 62.1 °F (high). Annual precipitation averages 87.4 Inches. La Porte is located in USDA Plant Hardiness Zone 8a. 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 | 29.4 °F | 46.5 °F | 14.36 in. |
| February | 29.0 °F | 47.4 °F | 13.12 in. |
| March | 30.6 °F | 51.0 °F | 12.17 in. |
| April | 33.5 °F | 56.3 °F | 8.04 in. |
| May | 41.1 °F | 64.8 °F | 4.91 in. |
| June | 48.5 °F | 74.0 °F | 1.49 in. |
| July | 54.8 °F | 82.6 °F | 0.08 in. |
| August | 54.0 °F | 82.3 °F | 0.24 in. |
| September | 48.4 °F | 77.3 °F | 0.85 in. |
| October | 41.1 °F | 65.8 °F | 5.26 in. |
| November | 33.8 °F | 52.6 °F | 9.78 in. |
| December | 29.2 °F | 44.8 °F | 17.05 in. |
| Annual | 39.5 °F | 62.1 °F | 87.35 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |