Melville, Saskatchewan climate data is summarized below. Average annual temperatures range from -2.7 °C (low) to 8 °C (high). Annual precipitation averages 457 Millimeters. Melville is located in USDA Plant Hardiness Zone 3b. 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 | -18.79 °C | -9.73 °C | 0 mm |
| February | -19.18 °C | -9.14 °C | 0 mm |
| March | -11.36 °C | -1.06 °C | 0 mm |
| April | -2.32 °C | 8.71 °C | 27 mm |
| May | 4.41 °C | 16.94 °C | 56 mm |
| June | 10.29 °C | 21.55 °C | 126 mm |
| July | 12.91 °C | 24.45 °C | 95 mm |
| August | 11.41 °C | 23.76 °C | 71 mm |
| September | 6.39 °C | 19.27 °C | 50 mm |
| October | 0.46 °C | 10.41 °C | 32 mm |
| November | -8.54 °C | -0.14 °C | 0 mm |
| December | -17.74 °C | -9.79 °C | 0 mm |
| Annual | -2.7 °C | 8 °C | 457 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |