Clarenville, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 33.8 °F (low) to 46.8 °F (high). Annual precipitation averages 36.6 Inches. Clarenville is located in USDA Plant Hardiness Zone 5a. 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 | -22.8 °F | -18.9 °F | 1117.6 in. |
| February | -23.4 °F | -19.2 °F | 1143 in. |
| March | -22.1 °F | -18.4 °F | 1117.6 in. |
| April | -19.2 °F | -15.7 °F | 1574.8 in. |
| May | -16.6 °F | -12.2 °F | 2032 in. |
| June | -14.1 °F | -9.5 °F | 1879.6 in. |
| July | -11.3 °F | -6.4 °F | 1905 in. |
| August | -11 °F | -6.4 °F | 2235.2 in. |
| September | -12.9 °F | -8.4 °F | 2743.2 in. |
| October | -15.3 °F | -11.8 °F | 2921 in. |
| November | -17.6 °F | -14.5 °F | 2768.6 in. |
| December | -20.4 °F | -17.2 °F | 2159 in. |
| Annual | 33.8 °F | 46.8 °F | 36.56 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |