Warman, Saskatchewan climate data is summarized below. Average annual temperatures range from -3 °C (low) to 8.2 °C (high). Annual precipitation averages 427 Millimeters. Warman 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 | -18.99 °C | -9.2 °C | 0 mm |
| February | -19.32 °C | -8.91 °C | 0 mm |
| March | -11.14 °C | -0.88 °C | 0 mm |
| April | -2.29 °C | 9.43 °C | 24 mm |
| May | 4.18 °C | 18.12 °C | 59 mm |
| June | 9.81 °C | 21.89 °C | 118 mm |
| July | 12.58 °C | 24.79 °C | 93 mm |
| August | 10.98 °C | 23.88 °C | 52 mm |
| September | 5.77 °C | 19.5 °C | 44 mm |
| October | -0.63 °C | 10.49 °C | 37 mm |
| November | -8.9 °C | -0.47 °C | 0 mm |
| December | -17.77 °C | -9.88 °C | 0 mm |
| Annual | -3 °C | 8.2 °C | 427 mm |
| 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°C to -37.2°C |
| Current Drought Conditions | Normal |