Yarmouth, Nova Scotia climate data is summarized below. Average annual temperatures range from 4.7 °C (low) to 10.9 °C (high). Annual precipitation averages 1178 Millimeters. 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 | -4.32 °C | 1.83 °C | 70 mm |
| February | -4.86 °C | 1.23 °C | 69 mm |
| March | -2.28 °C | 3.96 °C | 87 mm |
| April | 2.23 °C | 8.41 °C | 97 mm |
| May | 6.54 °C | 12.67 °C | 101 mm |
| June | 10.26 °C | 16.32 °C | 102 mm |
| July | 13.77 °C | 20.14 °C | 100 mm |
| August | 13.96 °C | 20.33 °C | 80 mm |
| September | 11.53 °C | 17.92 °C | 92 mm |
| October | 7.77 °C | 13.85 °C | 124 mm |
| November | 3.37 °C | 9.49 °C | 129 mm |
| December | -1.42 °C | 4.96 °C | 127 mm |
| Annual | 4.7 °C | 10.9 °C | 1178 mm |
| 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 : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |