Big River, Saskatchewan climate data is summarized below. Average annual temperatures range from 25 °F (low) to 44.9 °F (high). Annual precipitation averages 15.5 Inches. 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 | -29 °F | -23.6 °F | 0 in. |
| February | -29.3 °F | -23 °F | 0 in. |
| March | -25.3 °F | -19 °F | 0 in. |
| April | -19.8 °F | -13.7 °F | 711.2 in. |
| May | -16.1 °F | -8.2 °F | 1016 in. |
| June | -12.6 °F | -5.6 °F | 2387.6 in. |
| July | -11.1 °F | -4.1 °F | 2413 in. |
| August | -12.1 °F | -4.7 °F | 1752.6 in. |
| September | -14.8 °F | -7.6 °F | 914.4 in. |
| October | -17.9 °F | -12.9 °F | 787.4 in. |
| November | -23.1 °F | -19.2 °F | 0 in. |
| December | -28.3 °F | -24 °F | 0 in. |
| Annual | 25 °F | 44.9 °F | 15.47 in. |
| 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 : -45°F to -40°F |
| Current Drought Conditions | Normal |