Stellarton, Nova Scotia climate data is summarized below. Average annual temperatures range from 36.3 °F (low) to 52.9 °F (high). Annual precipitation averages 43.1 Inches. Stellarton is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.4 °F | -18.5 °F | 787.4 in. |
| February | -23.3 °F | -18.4 °F | 990.6 in. |
| March | -21.7 °F | -16.7 °F | 1041.4 in. |
| April | -18.1 °F | -13 °F | 1905 in. |
| May | -14.9 °F | -9.2 °F | 2413 in. |
| June | -12.1 °F | -6.5 °F | 2743.2 in. |
| July | -9.5 °F | -3.7 °F | 2413 in. |
| August | -9.6 °F | -4 °F | 3733.8 in. |
| September | -12 °F | -6.2 °F | 3073.4 in. |
| October | -14.8 °F | -9.8 °F | 2921 in. |
| November | -17.4 °F | -13.1 °F | 3124.2 in. |
| December | -20.7 °F | -16.6 °F | 2667 in. |
| Annual | 36.3 °F | 52.9 °F | 43.1 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |