Sackville, New Brunswick climate data is summarized below. Average annual temperatures range from 35 °F (low) to 51.2 °F (high). Annual precipitation averages 35.1 Inches. Sackville is located in USDA Plant Hardiness Zone 5b. 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 | -24.2 °F | -19.4 °F | 431.8 in. |
| February | -24.1 °F | -19 °F | 76.2 in. |
| March | -22 °F | -16.8 °F | 685.8 in. |
| April | -18 °F | -13 °F | 1651 in. |
| May | -15 °F | -9.4 °F | 2057.4 in. |
| June | -12.2 °F | -6.9 °F | 2844.8 in. |
| July | -9.8 °F | -4.5 °F | 2565.4 in. |
| August | -10 °F | -4.8 °F | 2667 in. |
| September | -12.3 °F | -7.1 °F | 2641.6 in. |
| October | -15.2 °F | -10.4 °F | 2463.8 in. |
| November | -18.1 °F | -13.8 °F | 2336.8 in. |
| December | -21.5 °F | -17.3 °F | 2235.2 in. |
| Annual | 35 °F | 51.2 °F | 35.11 in. |
| 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 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |