West Siloam Springs, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.6 °F (low) to 69.3 °F (high). Annual precipitation averages 49.4 Inches. West Siloam Springs is located in USDA Plant Hardiness Zone 7a. 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 | 26.3 °F | 47.0 °F | 2.76 in. |
| February | 29.6 °F | 51.5 °F | 2.44 in. |
| March | 37.9 °F | 60.3 °F | 4.04 in. |
| April | 46.3 °F | 69.1 °F | 4.93 in. |
| May | 55.9 °F | 76.6 °F | 6.04 in. |
| June | 64.7 °F | 84.7 °F | 4.83 in. |
| July | 68.7 °F | 90.0 °F | 4.53 in. |
| August | 67.2 °F | 89.7 °F | 3.5 in. |
| September | 59.5 °F | 82.2 °F | 4.88 in. |
| October | 47.8 °F | 71.5 °F | 4.61 in. |
| November | 37.9 °F | 59.6 °F | 3.68 in. |
| December | 29.5 °F | 49.7 °F | 3.19 in. |
| Annual | 47.6 °F | 69.3 °F | 49.43 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |