Last updated: June 18, 2025
In May, the average temperature in Mount Pearl, Canada hovers around 5°C (41°F), with a range that can dip to a chilly -3°C (27°F) or rise to a pleasant 20°C (68°F). Expect 80 mm (3.1 in) of precipitation over approximately 12 days, and be prepared for a high average humidity of 90%.
In May in Mount Pearl, the average temperature is 5°C (41°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -3°C (27°F). It's advisable to pack layers and prepare for both mild and chilly conditions when traveling during this time.
In Mount Pearl in May, the total precipitation amount is 80 mm (3.1 in) spread over 12 days.
In Mount Pearl in May, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.
In Mount Pearl in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mount Pearl.
UV Risk Categories
Weather in Mount Pearl varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mount Pearl, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 113 mm (4.5 inches) | 83% | low |
| February Weather | -3°C (26°F) | 102 mm (4.0 inches) | 84% | moderate |
| March Weather | -2°C (29°F) | 100 mm (3.9 inches) | 85% | moderate |
| April Weather | 2°C (36°F) | 103 mm (4.0 inches) | 88% | high |
| May Weather | 5°C (41°F) | 80 mm (3.1 inches) | 90% | very high |
| June Weather | 10°C (51°F) | 86 mm (3.4 inches) | 91% | very high |
| July Weather | 15°C (58°F) | 100 mm (3.9 inches) | 94% | very high |
| August Weather | 17°C (62°F) | 69 mm (2.7 inches) | 93% | very high |
| September Weather | 13°C (56°F) | 107 mm (4.2 inches) | 90% | high |
| October Weather | 8°C (48°F) | 97 mm (3.8 inches) | 87% | moderate |
| November Weather | 4°C (40°F) | 108 mm (4.3 inches) | 84% | low |
| December Weather | 0°C (33°F) | 133 mm (5.3 inches) | 83% | low |