Nipigon, Ontario climate data is summarized below. Average annual temperatures range from -2.5 °C (low) to 7.4 °C (high). Annual precipitation averages 567 Millimeters. Nipigon is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -19.58 °C | -9.58 °C | 0 mm |
| February | -19.77 °C | -8.18 °C | 0 mm |
| March | -11.71 °C | -0.25 °C | 0 mm |
| April | -3.93 °C | 6.53 °C | 23 mm |
| May | 3.03 °C | 13.84 °C | 98 mm |
| June | 8.42 °C | 19.19 °C | 93 mm |
| July | 11.7 °C | 21.98 °C | 100 mm |
| August | 12.13 °C | 22.3 °C | 80 mm |
| September | 7.89 °C | 17.11 °C | 80 mm |
| October | 2.73 °C | 9.88 °C | 72 mm |
| November | -4.64 °C | 2.27 °C | 21 mm |
| December | -15.56 °C | -6.84 °C | 0 mm |
| Annual | -2.5 °C | 7.4 °C | 567 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |