Tyndall, Manitoba climate data is summarized below. Average annual temperatures range from -2.2 °C (low) to 8.2 °C (high). Annual precipitation averages 521 Millimeters. Tyndall is located in USDA Plant Hardiness Zone 3b. 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 | -20.96 °C | -11.52 °C | 0 mm |
| February | -20.34 °C | -9.7 °C | 0 mm |
| March | -11.09 °C | -0.28 °C | 1 mm |
| April | -2.15 °C | 9.16 °C | 32 mm |
| May | 4.79 °C | 16.77 °C | 98 mm |
| June | 11.34 °C | 22.42 °C | 126 mm |
| July | 13.82 °C | 25.25 °C | 95 mm |
| August | 12.76 °C | 24.52 °C | 74 mm |
| September | 8.13 °C | 19.56 °C | 49 mm |
| October | 1.92 °C | 11.07 °C | 46 mm |
| November | -6.71 °C | 0.89 °C | 0 mm |
| December | -17.61 °C | -9.63 °C | 0 mm |
| Annual | -2.2 °C | 8.2 °C | 521 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |