Little Harbour, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 37.3 °F (low) to 46.8 °F (high). Annual precipitation averages 49.3 Inches. 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 | -21 °F | -18 °F | 2184.4 in. |
| February | -21.6 °F | -18.6 °F | 1955.8 in. |
| March | -20.6 °F | -17.8 °F | 1854.2 in. |
| April | -18.4 °F | -15.5 °F | 2311.4 in. |
| May | -16 °F | -12.8 °F | 2387.6 in. |
| June | -13.6 °F | -10.4 °F | 2362.2 in. |
| July | -11 °F | -7.9 °F | 2540 in. |
| August | -10.2 °F | -7 °F | 2768.6 in. |
| September | -11.8 °F | -8.7 °F | 3251.2 in. |
| October | -14.1 °F | -11.5 °F | 3632.2 in. |
| November | -16.6 °F | -14 °F | 3606.8 in. |
| December | -19.1 °F | -16.3 °F | 2971.8 in. |
| Annual | 37.3 °F | 46.8 °F | 49.33 in. |
| 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 : -20°F to -15°F |
| Current Drought Conditions | Normal |