Myers Flat, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 44.6 °F (low) to 68.3 °F (high). Annual precipitation averages 54.1 Inches. Myers Flat is located in USDA Plant Hardiness Zone 9b. 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 | 39.5 °F | 55.1 °F | 10.9 in. |
| February | 39.8 °F | 57.3 °F | 8.23 in. |
| March | 40.8 °F | 59.9 °F | 7.76 in. |
| April | 42.3 °F | 65.3 °F | 3.95 in. |
| May | 46.0 °F | 71.0 °F | 1.98 in. |
| June | 48.8 °F | 76.9 °F | 0.73 in. |
| July | 51.8 °F | 83.4 °F | 0.09 in. |
| August | 51.8 °F | 84.4 °F | 0.11 in. |
| September | 48.3 °F | 82.2 °F | 0.44 in. |
| October | 44.9 °F | 70.4 °F | 2.85 in. |
| November | 41.9 °F | 59.7 °F | 6.07 in. |
| December | 38.8 °F | 53.7 °F | 10.95 in. |
| Annual | 44.6 °F | 68.3 °F | 54.06 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 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |