Flin Flon, Manitoba climate data is summarized below. Average annual temperatures range from 23.4 °F (low) to 41.3 °F (high). Annual precipitation averages 18.8 Inches. 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 | -30.8 °F | -26 °F | 0 in. |
| February | -30.8 °F | -24.7 °F | 0 in. |
| March | -27.2 °F | -20.3 °F | 0 in. |
| April | -21.5 °F | -14.9 °F | 457.2 in. |
| May | -16.5 °F | -9.2 °F | 1016 in. |
| June | -12.3 °F | -5.8 °F | 2413 in. |
| July | -10.4 °F | -4.3 °F | 3581.4 in. |
| August | -11 °F | -5.2 °F | 2082.8 in. |
| September | -14.2 °F | -8.7 °F | 1574.8 in. |
| October | -17.6 °F | -14.1 °F | 1016 in. |
| November | -23.5 °F | -20.2 °F | 0 in. |
| December | -29.5 °F | -25.6 °F | 0 in. |
| Annual | 23.4 °F | 41.3 °F | 18.81 in. |
| 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 : -45°F to -40°F |
| Current Drought Conditions | Normal |