Windsor, Nova Scotia climate data is summarized below. Average annual temperatures range from 37.3 °F (low) to 54.9 °F (high). Annual precipitation averages 41.4 Inches. Windsor 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 | -22.7 °F | -18 °F | 863.6 in. |
| February | -22.7 °F | -17.9 °F | 1041.4 in. |
| March | -20.8 °F | -15.5 °F | 1270 in. |
| April | -17.5 °F | -11.9 °F | 1930.4 in. |
| May | -14.5 °F | -8.4 °F | 2286 in. |
| June | -11.9 °F | -5.9 °F | 2844.8 in. |
| July | -9.4 °F | -3.4 °F | 2057.4 in. |
| August | -9.6 °F | -3.6 °F | 2971.8 in. |
| September | -11.9 °F | -5.8 °F | 2641.6 in. |
| October | -14.9 °F | -9.4 °F | 2921 in. |
| November | -17.5 °F | -12.8 °F | 2946.4 in. |
| December | -20.4 °F | -16.2 °F | 2946.4 in. |
| Annual | 37.3 °F | 54.9 °F | 41.42 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |