Clarenville, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 1 °C (low) to 8.2 °C (high). Annual precipitation averages 929 Millimeters. 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 | -9.04 °C | -1.97 °C | 44 mm |
| February | -10.07 °C | -2.62 °C | 45 mm |
| March | -7.75 °C | -1.06 °C | 44 mm |
| April | -2.58 °C | 3.83 °C | 62 mm |
| May | 2.14 °C | 10.03 °C | 80 mm |
| June | 6.68 °C | 14.99 °C | 74 mm |
| July | 11.7 °C | 20.48 °C | 75 mm |
| August | 12.29 °C | 20.57 °C | 88 mm |
| September | 8.71 °C | 16.8 °C | 108 mm |
| October | 4.54 °C | 10.75 °C | 115 mm |
| November | 0.27 °C | 5.86 °C | 109 mm |
| December | -4.76 °C | 1 °C | 85 mm |
| Annual | 1 °C | 8.2 °C | 929 mm |
| 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 : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |