Labrador City, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 17.9 °F (low) to 34.6 °F (high). Annual precipitation averages 22.1 Inches. Labrador City is located in USDA Plant Hardiness Zone 1a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -32.1 °F | -26.7 °F | 0 in. |
| February | -32.1 °F | -25.6 °F | 0 in. |
| March | -30 °F | -22.6 °F | 0 in. |
| April | -24.1 °F | -18.1 °F | 0 in. |
| May | -19.3 °F | -14.4 °F | 1625.6 in. |
| June | -14.7 °F | -9.1 °F | 2311.4 in. |
| July | -12.6 °F | -7.5 °F | 3302 in. |
| August | -12.8 °F | -8 °F | 3098.8 in. |
| September | -16 °F | -11.6 °F | 2641.6 in. |
| October | -18.7 °F | -15.4 °F | 1270 in. |
| November | -23.4 °F | -19.9 °F | 0 in. |
| December | -29.7 °F | -24.8 °F | 0 in. |
| Annual | 17.9 °F | 34.6 °F | 22.08 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 1a : -60°F to -55°F |
| Current Drought Conditions | Moderate Drought |