Dwight Mission, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 22.1 °C (high). Annual precipitation averages 1214.6 Millimeters. Dwight Mission 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 | -2.3 °C | 9.8 °C | 68.33 mm |
| February | -0.3 °C | 12.2 °C | 65.02 mm |
| March | 4.3 °C | 17.1 °C | 104.14 mm |
| April | 8.9 °C | 22 °C | 120.4 mm |
| May | 14.3 °C | 25.8 °C | 156.21 mm |
| June | 19.3 °C | 30.6 °C | 121.67 mm |
| July | 21.4 °C | 33.4 °C | 93.47 mm |
| August | 20.7 °C | 33.4 °C | 91.19 mm |
| September | 16.6 °C | 29.5 °C | 110.24 mm |
| October | 9.9 °C | 23.2 °C | 109.47 mm |
| November | 4.1 °C | 16.9 °C | 95 mm |
| December | -0.8 °C | 10.9 °C | 79.5 mm |
| Annual | 9.7 °C | 22.1 °C | 1214.64 mm |
| 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 : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |