Red Lake, Ontario climate data is summarized below. Average annual temperatures range from 25.2 °F (low) to 43.6 °F (high). Annual precipitation averages 23.9 Inches. Red Lake 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. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -30.7 °F | -25.1 °F | 0 in. |
| February | -30.2 °F | -23.5 °F | 0 in. |
| March | -25.3 °F | -18.5 °F | 0 in. |
| April | -20.4 °F | -13.8 °F | 660.4 in. |
| May | -16.1 °F | -9.5 °F | 2209.8 in. |
| June | -12.4 °F | -6.3 °F | 3175 in. |
| July | -10.7 °F | -4.8 °F | 3276.6 in. |
| August | -11.1 °F | -5.3 °F | 2641.6 in. |
| September | -13.8 °F | -8.3 °F | 1955.8 in. |
| October | -17.1 °F | -12.9 °F | 1524 in. |
| November | -22 °F | -18.2 °F | 0 in. |
| December | -28.7 °F | -24 °F | 0 in. |
| Annual | 25.2 °F | 43.6 °F | 23.93 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |