Weyburn, Saskatchewan climate data is summarized below. Average annual temperatures range from 28.2 °F (low) to 49.4 °F (high). Annual precipitation averages 15.3 Inches. Weyburn is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -27.7 °F | -22.1 °F | 0 in. |
| February | -27.6 °F | -21.8 °F | 0 in. |
| March | -23 °F | -17.2 °F | 0 in. |
| April | -18.9 °F | -12.2 °F | 736.6 in. |
| May | -15.3 °F | -7.9 °F | 1778 in. |
| June | -12.1 °F | -5.3 °F | 3048 in. |
| July | -10.6 °F | -3.1 °F | 1295.4 in. |
| August | -11.3 °F | -3.4 °F | 1168.4 in. |
| September | -14.2 °F | -6.2 °F | 1117.6 in. |
| October | -17.6 °F | -11.2 °F | 711.2 in. |
| November | -22.3 °F | -16.6 °F | 0 in. |
| December | -26.9 °F | -22 °F | 0 in. |
| Annual | 28.2 °F | 49.4 °F | 15.27 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |