McIver's, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 0.8 °C (low) to 6.3 °C (high). Annual precipitation averages 879 Millimeters. McIver's 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 | -9.22 °C | -3.83 °C | 23 mm |
| February | -9.9 °C | -4.29 °C | 12 mm |
| March | -8.34 °C | -2.64 °C | 32 mm |
| April | -3.1 °C | 1.93 °C | 54 mm |
| May | 1.77 °C | 8.03 °C | 78 mm |
| June | 6.83 °C | 13.42 °C | 68 mm |
| July | 11.46 °C | 18.16 °C | 94 mm |
| August | 12.39 °C | 18.59 °C | 111 mm |
| September | 8.89 °C | 14.39 °C | 123 mm |
| October | 4.36 °C | 8.73 °C | 115 mm |
| November | -0.38 °C | 3.81 °C | 105 mm |
| December | -5.44 °C | -0.91 °C | 64 mm |
| Annual | 0.8 °C | 6.3 °C | 879 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |