Humboldt, Saskatchewan climate data is summarized below. Average annual temperatures range from -3.8 °C (low) to 7 °C (high). Annual precipitation averages 449 Millimeters. Humboldt 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 | -20.28 °C | -10.75 °C | 0 mm |
| February | -20.47 °C | -10.34 °C | 0 mm |
| March | -13.39 °C | -2.96 °C | 0 mm |
| April | -3.72 °C | 7.29 °C | 26 mm |
| May | 3.56 °C | 17.3 °C | 49 mm |
| June | 9.43 °C | 21.23 °C | 121 mm |
| July | 12.07 °C | 23.74 °C | 102 mm |
| August | 10.29 °C | 23.16 °C | 61 mm |
| September | 5.31 °C | 18.59 °C | 52 mm |
| October | -0.49 °C | 9.29 °C | 38 mm |
| November | -9.26 °C | -1.54 °C | 0 mm |
| December | -18.89 °C | -10.84 °C | 0 mm |
| Annual | -3.8 °C | 7 °C | 449 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 |