Peawanuck, Ontario climate data is summarized below. Average annual temperatures range from 16.7 °F (low) to 34.8 °F (high). Annual precipitation averages 17.9 Inches. 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 | -33.5 °F | -28.3 °F | 0 in. |
| February | -33.9 °F | -27.3 °F | 0 in. |
| March | -30.9 °F | -23.4 °F | 0 in. |
| April | -25.1 °F | -18.6 °F | 0 in. |
| May | -19.3 °F | -13.3 °F | 787.4 in. |
| June | -15.3 °F | -7.9 °F | 1447.8 in. |
| July | -13.1 °F | -6.2 °F | 2311.4 in. |
| August | -13.1 °F | -7.2 °F | 3175 in. |
| September | -15.1 °F | -10.3 °F | 2514.6 in. |
| October | -17.8 °F | -14.8 °F | 1320.8 in. |
| November | -23.1 °F | -19.8 °F | 0 in. |
| December | -30 °F | -25.8 °F | 0 in. |
| Annual | 16.7 °F | 34.8 °F | 17.91 in. |
| 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 |