Dauphin, Manitoba climate data is summarized below. Average annual temperatures range from 27.1 °F (low) to 46.3 °F (high). Annual precipitation averages 19.3 Inches. Dauphin 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 | -28.9 °F | -23.7 °F | 0 in. |
| February | -28.9 °F | -23.1 °F | 0 in. |
| March | -24.3 °F | -18.5 °F | 0 in. |
| April | -19.3 °F | -13 °F | 609.6 in. |
| May | -15.6 °F | -8.7 °F | 1752.6 in. |
| June | -11.9 °F | -5.6 °F | 3048 in. |
| July | -10.4 °F | -4 °F | 2336.8 in. |
| August | -11.2 °F | -4.3 °F | 2057.4 in. |
| September | -14 °F | -7 °F | 1295.4 in. |
| October | -17.3 °F | -11.7 °F | 1320.8 in. |
| November | -22 °F | -17.6 °F | 0 in. |
| December | -27.9 °F | -23.3 °F | 0 in. |
| Annual | 27.1 °F | 46.3 °F | 19.25 in. |
| 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 : -35°F to -30°F |
| Current Drought Conditions | Normal |