Bluford, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.2 °F (low) to 65 °F (high). Annual precipitation averages 45.2 Inches. Bluford is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.6 °F | 39.0 °F | 3.09 in. |
| February | 25.5 °F | 43.8 °F | 2.74 in. |
| March | 34.2 °F | 54.1 °F | 3.8 in. |
| April | 44.5 °F | 65.7 °F | 4.86 in. |
| May | 55.2 °F | 74.8 °F | 4.99 in. |
| June | 64.0 °F | 83.8 °F | 4.73 in. |
| July | 67.3 °F | 86.9 °F | 3.99 in. |
| August | 64.9 °F | 86.1 °F | 3.35 in. |
| September | 56.7 °F | 80.0 °F | 3.23 in. |
| October | 45.2 °F | 68.5 °F | 3.4 in. |
| November | 35.0 °F | 54.4 °F | 3.93 in. |
| December | 26.9 °F | 43.2 °F | 3.04 in. |
| Annual | 45.2 °F | 65 °F | 45.15 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |