Yarmouth, Nova Scotia climate data is summarized below. Average annual temperatures range from 40.5 °F (low) to 51.7 °F (high). Annual precipitation averages 46.4 Inches. Yarmouth is located in USDA Plant Hardiness Zone 6b. 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 | -20.2 °F | -16.8 °F | 1778 in. |
| February | -20.5 °F | -17.1 °F | 1752.6 in. |
| March | -19 °F | -15.6 °F | 2209.8 in. |
| April | -16.5 °F | -13.1 °F | 2463.8 in. |
| May | -14.1 °F | -10.7 °F | 2565.4 in. |
| June | -12.1 °F | -8.7 °F | 2590.8 in. |
| July | -10.1 °F | -6.6 °F | 2540 in. |
| August | -10 °F | -6.5 °F | 2032 in. |
| September | -11.4 °F | -7.8 °F | 2336.8 in. |
| October | -13.5 °F | -10.1 °F | 3149.6 in. |
| November | -15.9 °F | -12.5 °F | 3276.6 in. |
| December | -18.6 °F | -15 °F | 3225.8 in. |
| Annual | 40.5 °F | 51.7 °F | 46.4 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |