Wyoming, Delaware has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.9 °F (low) to 65.2 °F (high). Annual precipitation averages 46.1 Inches. Wyoming 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.2 °F | 43.0 °F | 3.4 in. |
| February | 26.3 °F | 45.2 °F | 3.01 in. |
| March | 33.5 °F | 52.8 °F | 4.15 in. |
| April | 43.7 °F | 64.1 °F | 3.59 in. |
| May | 53.2 °F | 73.1 °F | 3.85 in. |
| June | 62.5 °F | 81.9 °F | 4.19 in. |
| July | 67.5 °F | 86.4 °F | 4.13 in. |
| August | 65.6 °F | 84.6 °F | 4.71 in. |
| September | 59.1 °F | 78.8 °F | 4.05 in. |
| October | 47.4 °F | 67.8 °F | 3.9 in. |
| November | 36.8 °F | 57.0 °F | 3.19 in. |
| December | 30.1 °F | 47.5 °F | 3.9 in. |
| Annual | 45.9 °F | 65.2 °F | 46.07 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 |