Carmanville, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 35.6 °F (low) to 44.8 °F (high). Annual precipitation averages 32.5 Inches. Carmanville 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 | -21.5 °F | -18.9 °F | 812.8 in. |
| February | -22 °F | -19.3 °F | 660.4 in. |
| March | -21.1 °F | -18.6 °F | 660.4 in. |
| April | -19 °F | -16.6 °F | 1168.4 in. |
| May | -16.7 °F | -13.6 °F | 1803.4 in. |
| June | -14 °F | -10.6 °F | 1879.6 in. |
| July | -11.1 °F | -7.4 °F | 2209.8 in. |
| August | -10.7 °F | -7.3 °F | 2413 in. |
| September | -12.4 °F | -9.3 °F | 2590.8 in. |
| October | -14.7 °F | -12.3 °F | 2616.2 in. |
| November | -17.3 °F | -14.9 °F | 2438.4 in. |
| December | -19.7 °F | -17.4 °F | 1701.8 in. |
| Annual | 35.6 °F | 44.8 °F | 32.49 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 |