Senath, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.2 °F (low) to 70.1 °F (high). Annual precipitation averages 51.5 Inches. Senath is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.8 °F | 45.3 °F | 3.6 in. |
| February | 32.1 °F | 50.6 °F | 4.28 in. |
| March | 40.0 °F | 59.7 °F | 4.99 in. |
| April | 49.7 °F | 71.1 °F | 5.41 in. |
| May | 60.2 °F | 80.1 °F | 5.29 in. |
| June | 68.4 °F | 88.3 °F | 3.6 in. |
| July | 71.6 °F | 90.9 °F | 4.23 in. |
| August | 69.3 °F | 89.8 °F | 3.27 in. |
| September | 61.4 °F | 84.0 °F | 3.22 in. |
| October | 49.6 °F | 73.4 °F | 4.14 in. |
| November | 39.5 °F | 59.4 °F | 4.73 in. |
| December | 32.1 °F | 48.5 °F | 4.77 in. |
| Annual | 50.2 °F | 70.1 °F | 51.53 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |