Windsor, Nova Scotia climate data is summarized below. Average annual temperatures range from 2.9 °C (low) to 12.7 °C (high). Annual precipitation averages 1052 Millimeters. 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 | -8.93 °C | -0.45 °C | 34 mm |
| February | -8.88 °C | -0.21 °C | 41 mm |
| March | -5.42 °C | 4.11 °C | 50 mm |
| April | 0.51 °C | 10.64 °C | 76 mm |
| May | 5.94 °C | 16.96 °C | 90 mm |
| June | 10.64 °C | 21.41 °C | 112 mm |
| July | 15.13 °C | 25.95 °C | 81 mm |
| August | 14.68 °C | 25.55 °C | 117 mm |
| September | 10.5 °C | 21.48 °C | 104 mm |
| October | 5.2 °C | 15.09 °C | 115 mm |
| November | 0.45 °C | 8.98 °C | 116 mm |
| December | -4.72 °C | 2.92 °C | 116 mm |
| Annual | 2.9 °C | 12.7 °C | 1052 mm |
| 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 : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |