Meadow Valley, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 1.9 °C (low) to 19.2 °C (high). Annual precipitation averages 1103.4 Millimeters. Meadow Valley is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.1 °C | 8.4 °C | 186.94 mm |
| February | -2.9 °C | 10.7 °C | 182.88 mm |
| March | -1.3 °C | 13.2 °C | 163.58 mm |
| April | 0.2 °C | 16.7 °C | 90.42 mm |
| May | 3.5 °C | 21.5 °C | 55.12 mm |
| June | 6.7 °C | 27 °C | 19.56 mm |
| July | 9.8 °C | 31.9 °C | 3.3 mm |
| August | 8.7 °C | 31.5 °C | 4.32 mm |
| September | 5.4 °C | 28.2 °C | 12.95 mm |
| October | 1.2 °C | 21.1 °C | 54.86 mm |
| November | -1.6 °C | 12.9 °C | 111.51 mm |
| December | -3.6 °C | 7.5 °C | 217.93 mm |
| Annual | 1.9 °C | 19.2 °C | 1103.37 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |