Fairmead, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.2 °C (low) to 24 °C (high). Annual precipitation averages 312.9 Millimeters. Fairmead is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.2 °C | 12.9 °C | 63.5 mm |
| February | 4.3 °C | 16.1 °C | 59.69 mm |
| March | 5.9 °C | 19.3 °C | 51.31 mm |
| April | 7.6 °C | 22.3 °C | 25.91 mm |
| May | 11.1 °C | 27.3 °C | 13.72 mm |
| June | 14.1 °C | 31.6 °C | 4.06 mm |
| July | 16.8 °C | 34.7 °C | 0.76 mm |
| August | 16.2 °C | 34.3 °C | 0.51 mm |
| September | 13.9 °C | 31.8 °C | 1.52 mm |
| October | 9.6 °C | 25.8 °C | 14.99 mm |
| November | 5 °C | 18.6 °C | 26.92 mm |
| December | 2.4 °C | 13.2 °C | 50.04 mm |
| Annual | 9.2 °C | 24 °C | 312.93 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |