Twillingate, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.5 °C (low) to 6 °C (high). Annual precipitation averages 818 Millimeters. Twillingate 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 | -5.85 °C | -1.93 °C | 29 mm |
| February | -6.44 °C | -2.53 °C | 25 mm |
| March | -5.02 °C | -1.54 °C | 23 mm |
| April | -1.74 °C | 1.06 °C | 44 mm |
| May | 1.86 °C | 5.14 °C | 70 mm |
| June | 6.75 °C | 10.36 °C | 75 mm |
| July | 11.89 °C | 15.79 °C | 90 mm |
| August | 13.42 °C | 17 °C | 100 mm |
| September | 10.43 °C | 14.13 °C | 105 mm |
| October | 6.21 °C | 9.29 °C | 103 mm |
| November | 1.48 °C | 4.88 °C | 89 mm |
| December | -2.97 °C | 0.54 °C | 65 mm |
| Annual | 2.5 °C | 6 °C | 818 mm |
| 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 : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |