Magalia, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 10.3 °C (low) to 21.8 °C (high). Annual precipitation averages 1544.1 Millimeters. Magalia is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.4 °C | 11.9 °C | 282.45 mm |
| February | 4.9 °C | 13.4 °C | 272.54 mm |
| March | 6 °C | 15.7 °C | 221.49 mm |
| April | 7.5 °C | 18.9 °C | 124.71 mm |
| May | 11.1 °C | 23.8 °C | 70.61 mm |
| June | 15.1 °C | 29.2 °C | 24.89 mm |
| July | 18.4 °C | 33.8 °C | 1.27 mm |
| August | 17.7 °C | 33.3 °C | 3.3 mm |
| September | 15.8 °C | 30.4 °C | 11.43 mm |
| October | 11.4 °C | 23.4 °C | 78.74 mm |
| November | 6.8 °C | 15.7 °C | 143.26 mm |
| December | 4 °C | 11.5 °C | 309.37 mm |
| Annual | 10.3 °C | 21.8 °C | 1544.06 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |