Fredericksburg, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 66.2 °F (high). Annual precipitation averages 49.4 Inches. Fredericksburg is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.7 °F | 41.1 °F | 3.69 in. |
| February | 25.4 °F | 46.0 °F | 3.36 in. |
| March | 32.9 °F | 55.8 °F | 4.5 in. |
| April | 42.8 °F | 67.6 °F | 5.27 in. |
| May | 53.1 °F | 76.2 °F | 5.33 in. |
| June | 61.9 °F | 83.7 °F | 4.68 in. |
| July | 65.0 °F | 86.7 °F | 4.18 in. |
| August | 63.4 °F | 86.2 °F | 3.24 in. |
| September | 55.7 °F | 80.5 °F | 3.73 in. |
| October | 43.9 °F | 69.3 °F | 3.52 in. |
| November | 34.2 °F | 56.1 °F | 3.8 in. |
| December | 27.1 °F | 45.0 °F | 4.09 in. |
| Annual | 44 °F | 66.2 °F | 49.39 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |