Woodbridge, Connecticut has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.3 °F (low) to 60.2 °F (high). Annual precipitation averages 51.1 Inches. Woodbridge is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.0 °F | 36.2 °F | 3.97 in. |
| February | 21.2 °F | 38.8 °F | 3.42 in. |
| March | 28.1 °F | 46.4 °F | 4.62 in. |
| April | 38.0 °F | 58.7 °F | 4.33 in. |
| May | 47.9 °F | 69.6 °F | 4.16 in. |
| June | 57.3 °F | 78.1 °F | 4.3 in. |
| July | 63.2 °F | 83.3 °F | 3.94 in. |
| August | 62.0 °F | 81.4 °F | 4.04 in. |
| September | 55.0 °F | 74.5 °F | 4.7 in. |
| October | 43.7 °F | 62.8 °F | 5.18 in. |
| November | 33.8 °F | 51.5 °F | 4.01 in. |
| December | 25.8 °F | 41.1 °F | 4.4 in. |
| Annual | 41.3 °F | 60.2 °F | 51.07 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |