Bridgeport, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.9 °F (low) to 71.8 °F (high). Annual precipitation averages 31.6 Inches. Bridgeport is located in USDA Plant Hardiness Zone 7b. 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 | 25.9 °F | 49.3 °F | 1.02 in. |
| February | 29.0 °F | 53.0 °F | 1.25 in. |
| March | 37.4 °F | 62.6 °F | 2.39 in. |
| April | 45.9 °F | 71.3 °F | 3.09 in. |
| May | 56.8 °F | 79.5 °F | 4.6 in. |
| June | 66.3 °F | 88.7 °F | 4.15 in. |
| July | 70.3 °F | 94.0 °F | 2.46 in. |
| August | 68.7 °F | 93.1 °F | 3.66 in. |
| September | 60.9 °F | 85.2 °F | 2.83 in. |
| October | 48.7 °F | 73.7 °F | 2.97 in. |
| November | 37.1 °F | 61.1 °F | 1.71 in. |
| December | 27.9 °F | 50.3 °F | 1.42 in. |
| Annual | 47.9 °F | 71.8 °F | 31.55 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |