Watson, Saskatchewan climate data is summarized below. Average annual temperatures range from -3.8 °C (low) to 7.1 °C (high). Annual precipitation averages 436 Millimeters. Watson is located in USDA Plant Hardiness Zone 3a. 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 | -20.58 °C | -10.88 °C | 0 mm |
| February | -20.83 °C | -10.55 °C | 0 mm |
| March | -13.54 °C | -2.99 °C | 0 mm |
| April | -3.7 °C | 7.09 °C | 27 mm |
| May | 3.75 °C | 17.45 °C | 45 mm |
| June | 9.62 °C | 21.59 °C | 111 mm |
| July | 12.32 °C | 24.09 °C | 105 mm |
| August | 10.59 °C | 23.44 °C | 63 mm |
| September | 5.64 °C | 18.79 °C | 48 mm |
| October | -0.22 °C | 9.46 °C | 37 mm |
| November | -9.46 °C | -1.58 °C | 0 mm |
| December | -19.38 °C | -10.96 °C | 0 mm |
| Annual | -3.8 °C | 7.1 °C | 436 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 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |