Old Perlican, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 38.3 °F (low) to 44.5 °F (high). Annual precipitation averages 37.1 Inches. Old Perlican 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 | -20.3 °F | -17.8 °F | 1422.4 in. |
| February | -20.6 °F | -18.4 °F | 1320.8 in. |
| March | -19.9 °F | -18 °F | 1244.6 in. |
| April | -18.2 °F | -16.6 °F | 1625.6 in. |
| May | -16.2 °F | -14.5 °F | 1955.8 in. |
| June | -13.9 °F | -12.2 °F | 1727.2 in. |
| July | -11.1 °F | -9.2 °F | 2057.4 in. |
| August | -10 °F | -8.3 °F | 2108.2 in. |
| September | -11.5 °F | -9.6 °F | 2565.4 in. |
| October | -13.6 °F | -11.9 °F | 2768.6 in. |
| November | -16.1 °F | -14.1 °F | 2616.2 in. |
| December | -18.5 °F | -16.3 °F | 2514.6 in. |
| Annual | 38.3 °F | 44.5 °F | 37.1 in. |
| 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 : -15°F to -10°F |
| Current Drought Conditions | Normal |