Andrews, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.4 °F (low) to 61 °F (high). Annual precipitation averages 40.5 Inches. Andrews is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.4 °F | 33.4 °F | 2.64 in. |
| February | 19.7 °F | 37.1 °F | 2.16 in. |
| March | 28.0 °F | 48.2 °F | 2.76 in. |
| April | 38.4 °F | 61.5 °F | 3.94 in. |
| May | 49.2 °F | 72.9 °F | 4.58 in. |
| June | 58.8 °F | 81.6 °F | 4.63 in. |
| July | 62.6 °F | 84.6 °F | 4.25 in. |
| August | 60.8 °F | 83.2 °F | 3.83 in. |
| September | 53.0 °F | 77.1 °F | 3.11 in. |
| October | 41.7 °F | 64.5 °F | 3.02 in. |
| November | 31.9 °F | 50.2 °F | 3.12 in. |
| December | 23.1 °F | 38.2 °F | 2.48 in. |
| Annual | 40.4 °F | 61 °F | 40.52 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |