St. Lunaire-Griquet, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 0.3 °C (low) to 4.1 °C (high). Annual precipitation averages 675 Millimeters. St. Lunaire-Griquet is located in USDA Plant Hardiness Zone 3b. 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 | -9.3 °C | -4.03 °C | 22 mm |
| February | -9.79 °C | -4.27 °C | 16 mm |
| March | -7.26 °C | -2.66 °C | 24 mm |
| April | -2.93 °C | 0.21 °C | 43 mm |
| May | 0.53 °C | 3.53 °C | 59 mm |
| June | 4.97 °C | 8.45 °C | 57 mm |
| July | 9.63 °C | 13.47 °C | 65 mm |
| August | 11.35 °C | 14.86 °C | 64 mm |
| September | 8.37 °C | 11.74 °C | 87 mm |
| October | 4.07 °C | 6.88 °C | 91 mm |
| November | -0.67 °C | 2.66 °C | 78 mm |
| December | -5.66 °C | -1.45 °C | 69 mm |
| Annual | 0.3 °C | 4.1 °C | 675 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |