Last updated: June 18, 2025
In May, the average temperature in Happy Valley-Goose Bay, Canada hovers around 5°C (41°F). However, temperatures can swing from a chilly -9°C (17°F) to a surprisingly warm 25°C (78°F). Expect 108 mm (4.3 in) of precipitation spread over 16 days, contributing to an average humidity of 85%.
In May in Happy Valley-Goose Bay, the average temperature is 5°C (41°F). Maximums can reach 25°C (78°F), while minimums can drop as low as -9°C (17°F). Pack accordingly to enjoy a range of weather during your visit!
In Happy Valley-Goose Bay in May, the total precipitation amount is 108 mm (4.3 in), which falls over the course of 16 days.
In Happy Valley-Goose Bay in May, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.
In Happy Valley-Goose Bay in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Happy Valley-Goose Bay.
UV Risk Categories
Weather in Happy Valley-Goose Bay varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Happy Valley-Goose Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -15°C (5°F) | 74 mm (2.9 inches) | 93% | low |
| February Weather | -15°C (5°F) | 59 mm (2.3 inches) | 91% | low |
| March Weather | -8°C (17°F) | 90 mm (3.5 inches) | 88% | moderate |
| April Weather | -1°C (30°F) | 85 mm (3.4 inches) | 86% | high |
| May Weather | 5°C (41°F) | 108 mm (4.3 inches) | 85% | high |
| June Weather | 11°C (51°F) | 121 mm (4.8 inches) | 83% | very high |
| July Weather | 16°C (62°F) | 117 mm (4.6 inches) | 86% | high |
| August Weather | 16°C (61°F) | 135 mm (5.3 inches) | 87% | high |
| September Weather | 11°C (51°F) | 106 mm (4.2 inches) | 87% | moderate |
| October Weather | 5°C (41°F) | 98 mm (3.9 inches) | 89% | moderate |
| November Weather | -3°C (27°F) | 144 mm (5.7 inches) | 94% | low |
| December Weather | -9°C (16°F) | 117 mm (4.6 inches) | 98% | low |