Little Harbour, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.9 °C (low) to 8.2 °C (high). Annual precipitation averages 1253 Millimeters. Little Harbour is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.82 °C | -0.35 °C | 86 mm |
| February | -6.81 °C | -1.47 °C | 77 mm |
| March | -5.03 °C | -0.1 °C | 73 mm |
| April | -1.04 °C | 4.06 °C | 91 mm |
| May | 3.23 °C | 9.04 °C | 94 mm |
| June | 7.46 °C | 13.24 °C | 93 mm |
| July | 12.29 °C | 17.79 °C | 100 mm |
| August | 13.73 °C | 19.38 °C | 109 mm |
| September | 10.74 °C | 16.34 °C | 128 mm |
| October | 6.55 °C | 11.23 °C | 143 mm |
| November | 2.19 °C | 6.8 °C | 142 mm |
| December | -2.33 °C | 2.58 °C | 117 mm |
| Annual | 2.9 °C | 8.2 °C | 1253 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |