Amherst, Nova Scotia climate data is summarized below. Average annual temperatures range from 35.4 °F (low) to 51.5 °F (high). Annual precipitation averages 34.4 Inches. Amherst 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 °F | -19.1 °F | 406.4 in. |
| February | -24 °F | -18.9 °F | 76.2 in. |
| March | -21.8 °F | -16.6 °F | 660.4 in. |
| April | -18 °F | -13 °F | 1574.8 in. |
| May | -14.9 °F | -9.4 °F | 2057.4 in. |
| June | -12.1 °F | -7 °F | 2819.4 in. |
| July | -9.8 °F | -4.6 °F | 2362.2 in. |
| August | -9.9 °F | -4.8 °F | 2641.6 in. |
| September | -12.2 °F | -7 °F | 2616.2 in. |
| October | -15.1 °F | -10.3 °F | 2463.8 in. |
| November | -17.9 °F | -13.6 °F | 2286 in. |
| December | -21.2 °F | -17.1 °F | 2209.8 in. |
| Annual | 35.4 °F | 51.5 °F | 34.37 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 |