St. Brieux, Saskatchewan climate data is summarized below. Average annual temperatures range from 25.9 °F (low) to 44.5 °F (high). Annual precipitation averages 19.3 Inches. St. Brieux is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -28.6 °F | -23.6 °F | 0 in. |
| February | -29 °F | -23.4 °F | 0 in. |
| March | -24.7 °F | -19.3 °F | 0 in. |
| April | -19.8 °F | -14 °F | 787.4 in. |
| May | -15.8 °F | -8.3 °F | 1117.6 in. |
| June | -12.5 °F | -5.9 °F | 3429 in. |
| July | -11 °F | -4.6 °F | 2946.4 in. |
| August | -11.8 °F | -4.7 °F | 1752.6 in. |
| September | -14.5 °F | -7.5 °F | 1295.4 in. |
| October | -17.6 °F | -12.9 °F | 1092.2 in. |
| November | -22.8 °F | -19 °F | 0 in. |
| December | -27.8 °F | -23.8 °F | 0 in. |
| Annual | 25.9 °F | 44.5 °F | 19.25 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |