Arnold's Cove, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.7 °C (low) to 7.8 °C (high). Annual precipitation averages 1022 Millimeters. Arnold's Cove is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.29 °C | -0.56 °C | 67 mm |
| February | -7.01 °C | -1.5 °C | 64 mm |
| March | -5.19 °C | -0.3 °C | 61 mm |
| April | -1.07 °C | 3.53 °C | 72 mm |
| May | 2.98 °C | 8.2 °C | 81 mm |
| June | 7.25 °C | 12.64 °C | 73 mm |
| July | 12.13 °C | 17.64 °C | 78 mm |
| August | 13.52 °C | 18.94 °C | 85 mm |
| September | 10.49 °C | 15.9 °C | 108 mm |
| October | 6.33 °C | 10.86 °C | 119 mm |
| November | 1.96 °C | 6.55 °C | 114 mm |
| December | -2.7 °C | 2.22 °C | 100 mm |
| Annual | 2.7 °C | 7.8 °C | 1022 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |