Aspen Springs, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from -0.9 °C (low) to 16.8 °C (high). Annual precipitation averages 202.9 Millimeters. Aspen Springs is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 7.2 °C | 32.26 mm |
| February | -7.4 °C | 7.5 °C | 34.54 mm |
| March | -5.3 °C | 10.5 °C | 25.15 mm |
| April | -2.3 °C | 14.1 °C | 9.65 mm |
| May | 1.4 °C | 18.8 °C | 14.73 mm |
| June | 5.5 °C | 24.6 °C | 7.87 mm |
| July | 8.9 °C | 28.6 °C | 7.87 mm |
| August | 7.8 °C | 28.1 °C | 7.62 mm |
| September | 4.1 °C | 24.2 °C | 8.38 mm |
| October | -1 °C | 18.3 °C | 12.45 mm |
| November | -5.6 °C | 12.1 °C | 17.53 mm |
| December | -8.2 °C | 7.1 °C | 24.89 mm |
| Annual | -0.9 °C | 16.8 °C | 202.94 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |