Big River, Saskatchewan climate data is summarized below. Average annual temperatures range from -3.9 °C (low) to 7.2 °C (high). Annual precipitation averages 393 Millimeters. Big River 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 | -20.24 °C | -10.54 °C | 0 mm |
| February | -20.66 °C | -9.39 °C | 0 mm |
| March | -13.54 °C | -2.27 °C | 0 mm |
| April | -3.69 °C | 7.42 °C | 28 mm |
| May | 3.1 °C | 17.28 °C | 40 mm |
| June | 9.39 °C | 22 °C | 94 mm |
| July | 12.02 °C | 24.64 °C | 95 mm |
| August | 10.22 °C | 23.52 °C | 69 mm |
| September | 5.38 °C | 18.25 °C | 36 mm |
| October | -0.15 °C | 8.79 °C | 31 mm |
| November | -9.63 °C | -2.56 °C | 0 mm |
| December | -18.99 °C | -11.14 °C | 0 mm |
| Annual | -3.9 °C | 7.2 °C | 393 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 |