Garnish, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 3.4 °C (low) to 8.1 °C (high). Annual precipitation averages 1292 Millimeters. Garnish is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.12 °C | -0.14 °C | 84 mm |
| February | -6.08 °C | -1.31 °C | 79 mm |
| March | -4.4 °C | 0.03 °C | 76 mm |
| April | -0.75 °C | 3.9 °C | 95 mm |
| May | 3.47 °C | 8.62 °C | 95 mm |
| June | 7.65 °C | 12.61 °C | 102 mm |
| July | 12.47 °C | 17.13 °C | 109 mm |
| August | 14.24 °C | 19.02 °C | 111 mm |
| September | 11.24 °C | 16.2 °C | 128 mm |
| October | 7.02 °C | 11.31 °C | 147 mm |
| November | 2.6 °C | 6.96 °C | 145 mm |
| December | -1.77 °C | 2.84 °C | 121 mm |
| Annual | 3.4 °C | 8.1 °C | 1292 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |