Milford, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 1.6 °C (low) to 18.4 °C (high). Annual precipitation averages 365.8 Millimeters. Milford is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 6.7 °C | 65.53 mm |
| February | -3.8 °C | 9.2 °C | 53.34 mm |
| March | -1.6 °C | 12.6 °C | 45.21 mm |
| April | 0.3 °C | 16.1 °C | 20.83 mm |
| May | 3.8 °C | 21.3 °C | 24.13 mm |
| June | 7.2 °C | 26.8 °C | 16 mm |
| July | 10.4 °C | 31.9 °C | 6.86 mm |
| August | 9.5 °C | 31.3 °C | 5.08 mm |
| September | 5.8 °C | 27.3 °C | 7.11 mm |
| October | 1.2 °C | 19.8 °C | 23.37 mm |
| November | -2.8 °C | 11.6 °C | 32.26 mm |
| December | -5.4 °C | 6.1 °C | 66.04 mm |
| Annual | 1.6 °C | 18.4 °C | 365.76 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |