New Ross, Nova Scotia climate data is summarized below. Average annual temperatures range from 35.6 °F (low) to 52.9 °F (high). Annual precipitation averages 43.7 Inches. New Ross is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.6 °F | -18.6 °F | 990.6 in. |
| February | -23.4 °F | -18.4 °F | 1016 in. |
| March | -21.9 °F | -16.3 °F | 1473.2 in. |
| April | -17.9 °F | -12.4 °F | 2184.4 in. |
| May | -14.8 °F | -8.9 °F | 2336.8 in. |
| June | -12 °F | -6.4 °F | 2971.8 in. |
| July | -9.6 °F | -3.9 °F | 2057.4 in. |
| August | -9.9 °F | -4.1 °F | 2641.6 in. |
| September | -12.4 °F | -6.5 °F | 2667 in. |
| October | -15.3 °F | -10.1 °F | 3276.6 in. |
| November | -18.1 °F | -13.5 °F | 3251.2 in. |
| December | -21.2 °F | -16.9 °F | 3352.8 in. |
| Annual | 35.6 °F | 52.9 °F | 43.74 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |