Peawanuck, Ontario climate data is summarized below. Average annual temperatures range from -8.5 °C (low) to 1.6 °C (high). Annual precipitation averages 455 Millimeters. Peawanuck is located in USDA Plant Hardiness Zone 0b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Aug. 11 - Aug. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -28.25 °C | -18.87 °C | 0 mm |
| February | -28.95 °C | -17.09 °C | 0 mm |
| March | -23.61 °C | -10.1 °C | 0 mm |
| April | -13.24 °C | -1.55 °C | 0 mm |
| May | -2.79 °C | 7.99 °C | 31 mm |
| June | 4.42 °C | 17.82 °C | 57 mm |
| July | 8.37 °C | 20.8 °C | 91 mm |
| August | 8.41 °C | 19.04 °C | 125 mm |
| September | 4.86 °C | 13.38 °C | 99 mm |
| October | -0.01 °C | 5.4 °C | 52 mm |
| November | -9.53 °C | -3.67 °C | 0 mm |
| December | -21.91 °C | -14.36 °C | 0 mm |
| Annual | -8.5 °C | 1.6 °C | 455 mm |
| Average First Frost Date | Aug. 11 - Aug. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |