Blakely, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.8 °C (low) to 25.5 °C (high). Annual precipitation averages 1403.1 Millimeters. Blakely is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °C | 16.1 °C | 131.06 mm |
| February | 4.9 °C | 18.1 °C | 130.3 mm |
| March | 8.1 °C | 22.1 °C | 136.4 mm |
| April | 11.7 °C | 25.8 °C | 112.78 mm |
| May | 16.6 °C | 29.8 °C | 80.01 mm |
| June | 20.7 °C | 32.3 °C | 135.89 mm |
| July | 21.9 °C | 33.3 °C | 145.29 mm |
| August | 21.6 °C | 32.8 °C | 133.1 mm |
| September | 19.1 °C | 30.8 °C | 108.71 mm |
| October | 13.2 °C | 26.6 °C | 72.14 mm |
| November | 7.3 °C | 21.2 °C | 92.46 mm |
| December | 4.6 °C | 17.2 °C | 124.97 mm |
| Annual | 12.8 °C | 25.5 °C | 1403.11 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |