Middleton, Nova Scotia climate data is summarized below. Average annual temperatures range from 3.6 °C (low) to 12.3 °C (high). Annual precipitation averages 959 Millimeters. 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 | -7.68 °C | -0.22 °C | 32 mm |
| February | -7.73 °C | -0.14 °C | 27 mm |
| March | -4.35 °C | 3.91 °C | 39 mm |
| April | 1.31 °C | 10.25 °C | 66 mm |
| May | 6.56 °C | 16.49 °C | 87 mm |
| June | 11.29 °C | 20.95 °C | 115 mm |
| July | 15.41 °C | 25.27 °C | 79 mm |
| August | 14.69 °C | 24.52 °C | 96 mm |
| September | 10.68 °C | 20.41 °C | 99 mm |
| October | 5.83 °C | 14.37 °C | 109 mm |
| November | 1.13 °C | 8.76 °C | 107 mm |
| December | -3.83 °C | 3.05 °C | 103 mm |
| Annual | 3.6 °C | 12.3 °C | 959 mm |
| 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 : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |