Snow Lake, Manitoba climate data is summarized below. Average annual temperatures range from -5.8 °C (low) to 4.4 °C (high). Annual precipitation averages 509 Millimeters. Snow Lake is located in USDA Plant Hardiness Zone 2a. 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 | -24.9 °C | -15.75 °C | 0 mm |
| February | -24.33 °C | -12.88 °C | 0 mm |
| March | -18.09 °C | -5.13 °C | 0 mm |
| April | -7.91 °C | 4.52 °C | 14 mm |
| May | 1.42 °C | 14.31 °C | 46 mm |
| June | 9.27 °C | 21.2 °C | 109 mm |
| July | 12.7 °C | 23.58 °C | 136 mm |
| August | 11.26 °C | 21.76 °C | 106 mm |
| September | 5.66 °C | 15.68 °C | 61 mm |
| October | -0.36 °C | 5.81 °C | 37 mm |
| November | -11.36 °C | -5.01 °C | 0 mm |
| December | -22.51 °C | -14.77 °C | 0 mm |
| Annual | -5.8 °C | 4.4 °C | 509 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 2a : -45.6°C to -42.8°C |
| Current Drought Conditions | Normal |