Crystal Springs, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.2 °C (low) to 24.8 °C (high). Annual precipitation averages 1533.6 Millimeters. Crystal Springs is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.7 °C | 14.6 °C | 145.8 mm |
| February | 3.9 °C | 16.9 °C | 146.05 mm |
| March | 7.6 °C | 21.1 °C | 148.59 mm |
| April | 11.6 °C | 24.8 °C | 141.22 mm |
| May | 16.4 °C | 28.7 °C | 108.2 mm |
| June | 20.3 °C | 32.1 °C | 125.98 mm |
| July | 21.7 °C | 33.2 °C | 130.81 mm |
| August | 21.4 °C | 33.3 °C | 130.56 mm |
| September | 18.1 °C | 30.9 °C | 104.14 mm |
| October | 11.8 °C | 26.1 °C | 91.44 mm |
| November | 6.7 °C | 20.1 °C | 115.82 mm |
| December | 3.8 °C | 15.8 °C | 145.03 mm |
| Annual | 12.2 °C | 24.8 °C | 1533.64 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |