Orange, Connecticut has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.5 °C (low) to 16 °C (high). Annual precipitation averages 1262.6 Millimeters. Orange is located in USDA Plant Hardiness Zone 7a. 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 | -5.3 °C | 3.2 °C | 95 mm |
| February | -4.6 °C | 4.5 °C | 82.04 mm |
| March | -0.8 °C | 8.6 °C | 114.3 mm |
| April | 4.6 °C | 14.6 °C | 109.98 mm |
| May | 10.1 °C | 20.4 °C | 102.87 mm |
| June | 15.3 °C | 25.3 °C | 112.01 mm |
| July | 18.8 °C | 28.4 °C | 91.95 mm |
| August | 18.1 °C | 27.4 °C | 101.6 mm |
| September | 14.1 °C | 23.9 °C | 119.13 mm |
| October | 7.8 °C | 17.6 °C | 122.17 mm |
| November | 2.3 °C | 11.5 °C | 99.82 mm |
| December | -2.1 °C | 6.1 °C | 111.76 mm |
| Annual | 6.5 °C | 16 °C | 1262.63 mm |
| 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |