Moosomin, Saskatchewan climate data is summarized below. Average annual temperatures range from -2.6 °C (low) to 8.3 °C (high). Annual precipitation averages 372 Millimeters. Moosomin is located in USDA Plant Hardiness Zone 3b. 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 | -19.01 °C | -9.52 °C | 0 mm |
| February | -19.01 °C | -8.96 °C | 0 mm |
| March | -11.05 °C | -0.27 °C | 1 mm |
| April | -2.38 °C | 9.13 °C | 14 mm |
| May | 4.31 °C | 16.86 °C | 40 mm |
| June | 10.3 °C | 21.8 °C | 93 mm |
| July | 12.96 °C | 24.88 °C | 92 mm |
| August | 11.42 °C | 24.42 °C | 80 mm |
| September | 6.54 °C | 19.75 °C | 32 mm |
| October | 0.46 °C | 10.8 °C | 20 mm |
| November | -8.18 °C | 0.5 °C | 0 mm |
| December | -17.64 °C | -9.33 °C | 0 mm |
| Annual | -2.6 °C | 8.3 °C | 372 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |