La Ronge, Saskatchewan climate data is summarized below. Average annual temperatures range from -4.8 °C (low) to 4.8 °C (high). Annual precipitation averages 445 Millimeters. La Ronge is located in USDA Plant Hardiness Zone 2b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -22.01 °C | -13.17 °C | 0 mm |
| February | -22.41 °C | -11.51 °C | 0 mm |
| March | -15.96 °C | -3.73 °C | 0 mm |
| April | -5.96 °C | 5.58 °C | 23 mm |
| May | 1.15 °C | 13.8 °C | 28 mm |
| June | 8.46 °C | 18.95 °C | 92 mm |
| July | 11.45 °C | 21.41 °C | 125 mm |
| August | 10.68 °C | 20.75 °C | 90 mm |
| September | 5.95 °C | 15.67 °C | 50 mm |
| October | 0.9 °C | 6.93 °C | 37 mm |
| November | -9.41 °C | -3.57 °C | 0 mm |
| December | -20.16 °C | -13.05 °C | 0 mm |
| Annual | -4.8 °C | 4.8 °C | 445 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 2b : -42.8°C to -40°C |
| Current Drought Conditions | Normal |