Middleton, Nova Scotia climate data is summarized below. Average annual temperatures range from 38.5 °F (low) to 54.1 °F (high). Annual precipitation averages 37.8 Inches. Middleton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -22 °F | -17.9 °F | 812.8 in. |
| February | -22.1 °F | -17.9 °F | 685.8 in. |
| March | -20.2 °F | -15.6 °F | 990.6 in. |
| April | -17.1 °F | -12.1 °F | 1676.4 in. |
| May | -14.1 °F | -8.6 °F | 2209.8 in. |
| June | -11.5 °F | -6.1 °F | 2921 in. |
| July | -9.2 °F | -3.7 °F | 2006.6 in. |
| August | -9.6 °F | -4.2 °F | 2438.4 in. |
| September | -11.8 °F | -6.4 °F | 2514.6 in. |
| October | -14.5 °F | -9.8 °F | 2768.6 in. |
| November | -17.2 °F | -12.9 °F | 2717.8 in. |
| December | -19.9 °F | -16.1 °F | 2616.2 in. |
| Annual | 38.5 °F | 54.1 °F | 37.77 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |