Happy Adventure, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 1.6 °C (low) to 8 °C (high). Annual precipitation averages 892 Millimeters. Happy Adventure is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.07 °C | -1.78 °C | 39 mm |
| February | -8.9 °C | -2.45 °C | 41 mm |
| March | -6.82 °C | -0.95 °C | 38 mm |
| April | -2.09 °C | 3.49 °C | 56 mm |
| May | 2.22 °C | 9.24 °C | 76 mm |
| June | 6.82 °C | 14.32 °C | 73 mm |
| July | 11.96 °C | 20.18 °C | 79 mm |
| August | 12.62 °C | 20.23 °C | 90 mm |
| September | 9.16 °C | 16.57 °C | 105 mm |
| October | 5.1 °C | 10.71 °C | 112 mm |
| November | 0.76 °C | 5.87 °C | 104 mm |
| December | -4.1 °C | 1.17 °C | 79 mm |
| Annual | 1.6 °C | 8 °C | 892 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |