Bremen, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.8 °C (low) to 21.8 °C (high). Annual precipitation averages 1402.8 Millimeters. Bremen is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.7 °C | 11.1 °C | 127.51 mm |
| February | 2.6 °C | 13.6 °C | 134.11 mm |
| March | 5.8 °C | 17.8 °C | 141.73 mm |
| April | 10 °C | 22.2 °C | 113.03 mm |
| May | 14.9 °C | 26 °C | 104.9 mm |
| June | 18.9 °C | 29.3 °C | 113.54 mm |
| July | 20.9 °C | 30.7 °C | 121.92 mm |
| August | 20.6 °C | 30.6 °C | 106.93 mm |
| September | 17.2 °C | 27.7 °C | 102.62 mm |
| October | 11.1 °C | 22.7 °C | 91.69 mm |
| November | 4.9 °C | 17.1 °C | 114.55 mm |
| December | 2.2 °C | 12.3 °C | 130.3 mm |
| Annual | 10.8 °C | 21.8 °C | 1402.83 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |