Dalhousie, New Brunswick climate data is summarized below. Average annual temperatures range from 32.3 °F (low) to 48.2 °F (high). Annual precipitation averages 30.2 Inches. Dalhousie is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.1 °F | -21.1 °F | 0 in. |
| February | -25.5 °F | -20.4 °F | 0 in. |
| March | -24.1 °F | -18.3 °F | 0 in. |
| April | -19.4 °F | -14.7 °F | 1244.6 in. |
| May | -15.1 °F | -9.8 °F | 2159 in. |
| June | -12 °F | -6.8 °F | 2819.4 in. |
| July | -9.8 °F | -4.6 °F | 3276.6 in. |
| August | -10.1 °F | -4.8 °F | 2946.4 in. |
| September | -12.7 °F | -7.4 °F | 2514.6 in. |
| October | -15.6 °F | -11.3 °F | 2540 in. |
| November | -18.5 °F | -15 °F | 1600.2 in. |
| December | -23.2 °F | -19.2 °F | 381 in. |
| Annual | 32.3 °F | 48.2 °F | 30.21 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |