Arbyrd, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.5 °F (low) to 70.2 °F (high). Annual precipitation averages 51.7 Inches. Arbyrd is located in USDA Plant Hardiness Zone 8a. 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 | 29.1 °F | 45.7 °F | 3.67 in. |
| February | 32.5 °F | 50.9 °F | 4.26 in. |
| March | 40.2 °F | 60.0 °F | 4.94 in. |
| April | 49.8 °F | 71.1 °F | 5.4 in. |
| May | 60.4 °F | 80.0 °F | 5.26 in. |
| June | 68.5 °F | 88.2 °F | 3.62 in. |
| July | 71.7 °F | 90.6 °F | 4.17 in. |
| August | 69.5 °F | 89.6 °F | 3.45 in. |
| September | 61.8 °F | 83.9 °F | 3.33 in. |
| October | 49.9 °F | 73.4 °F | 4.06 in. |
| November | 39.9 °F | 59.7 °F | 4.74 in. |
| December | 32.5 °F | 49.0 °F | 4.83 in. |
| Annual | 50.5 °F | 70.2 °F | 51.73 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |