Riverview, New Brunswick climate data is summarized below. Average annual temperatures range from 1.5 °C (low) to 11.2 °C (high). Annual precipitation averages 330 Millimeters. Riverview is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.98 °C | -3.13 °C | 3 mm |
| February | -11.46 °C | -2.29 °C | 0 mm |
| March | -7.59 °C | 1.8 °C | 7 mm |
| April | -0.69 °C | 8.95 °C | 15 mm |
| May | 5.16 °C | 16.25 °C | 28 mm |
| June | 10.42 °C | 20.95 °C | 49 mm |
| July | 14.82 °C | 25.44 °C | 65 mm |
| August | 14.41 °C | 24.8 °C | 57 mm |
| September | 9.57 °C | 20.34 °C | 44 mm |
| October | 4.13 °C | 13.59 °C | 28 mm |
| November | -1.08 °C | 6.98 °C | 29 mm |
| December | -7.52 °C | 0.33 °C | 5 mm |
| Annual | 1.5 °C | 11.2 °C | 330 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |