Duntara, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.3 °C (low) to 7.5 °C (high). Annual precipitation averages 918 Millimeters. Duntara is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.57 °C | -1.23 °C | 45 mm |
| February | -7.3 °C | -1.99 °C | 43 mm |
| March | -5.55 °C | -0.81 °C | 41 mm |
| April | -1.6 °C | 2.79 °C | 58 mm |
| May | 2.41 °C | 7.68 °C | 77 mm |
| June | 6.76 °C | 12.32 °C | 72 mm |
| July | 11.91 °C | 18.11 °C | 82 mm |
| August | 13.14 °C | 18.73 °C | 91 mm |
| September | 9.98 °C | 15.7 °C | 105 mm |
| October | 5.99 °C | 10.49 °C | 115 mm |
| November | 1.63 °C | 5.95 °C | 104 mm |
| December | -3 °C | 1.6 °C | 85 mm |
| Annual | 2.3 °C | 7.5 °C | 918 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |