Colliers, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.6 °C (low) to 8.1 °C (high). Annual precipitation averages 1013 Millimeters. Colliers is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.92 °C | -0.24 °C | 66 mm |
| February | -6.74 °C | -1.27 °C | 67 mm |
| March | -5.1 °C | -0.21 °C | 62 mm |
| April | -1.4 °C | 3.78 °C | 75 mm |
| May | 2.54 °C | 8.48 °C | 81 mm |
| June | 6.64 °C | 12.94 °C | 70 mm |
| July | 11.73 °C | 18.3 °C | 78 mm |
| August | 13.09 °C | 19.18 °C | 78 mm |
| September | 10.05 °C | 16.13 °C | 100 mm |
| October | 6.2 °C | 11.06 °C | 120 mm |
| November | 1.95 °C | 6.77 °C | 111 mm |
| December | -2.5 °C | 2.43 °C | 105 mm |
| Annual | 2.6 °C | 8.1 °C | 1013 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |