Flin Flon, Manitoba climate data is summarized below. Average annual temperatures range from -4.8 °C (low) to 5.2 °C (high). Annual precipitation averages 478 Millimeters. Flin Flon is located in USDA Plant Hardiness Zone 2b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.43 °C | -14.78 °C | 0 mm |
| February | -23.44 °C | -12.46 °C | 0 mm |
| March | -16.95 °C | -4.51 °C | 0 mm |
| April | -6.75 °C | 5.26 °C | 18 mm |
| May | 2.27 °C | 15.39 °C | 40 mm |
| June | 9.79 °C | 21.57 °C | 95 mm |
| July | 13.21 °C | 24.21 °C | 141 mm |
| August | 12.12 °C | 22.68 °C | 82 mm |
| September | 6.53 °C | 16.43 °C | 62 mm |
| October | 0.41 °C | 6.59 °C | 40 mm |
| November | -10.22 °C | -4.33 °C | 0 mm |
| December | -21.05 °C | -14.07 °C | 0 mm |
| Annual | -4.8 °C | 5.2 °C | 478 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 2b : -42.8°C to -40°C |
| Current Drought Conditions | Normal |