Last updated: June 18, 2025
In Marystown, Canada, the average temperature in May hovers around 5°C (42°F), with a minimum dipping to -1°C (30°F) and a maximum reaching 16°C (61°F). Expect about 94 mm (3.7 in) of precipitation spread over 11 days, contributing to an average humidity level of 88%. Prepare for a cool and damp month!
In May in Marystown, the average temperature is 5°C (42°F). The maximum can reach 16°C (61°F) and the minimum can be as low as -1°C (30°F). Be sure to pack layers for your trip to Marystown this month, as the temperatures can vary significantly throughout the day.
In Marystown in May, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.
In Marystown in May humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.
In Marystown 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 Marystown.
UV Risk Categories
Weather in Marystown varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Marystown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 109 mm (4.3 inches) | 83% | low |
| February Weather | -4°C (26°F) | 114 mm (4.5 inches) | 84% | moderate |
| March Weather | -2°C (29°F) | 126 mm (5.0 inches) | 85% | moderate |
| April Weather | 2°C (37°F) | 110 mm (4.3 inches) | 86% | high |
| May Weather | 5°C (42°F) | 94 mm (3.7 inches) | 88% | very high |
| June Weather | 10°C (51°F) | 88 mm (3.5 inches) | 91% | very high |
| July Weather | 15°C (59°F) | 114 mm (4.5 inches) | 93% | very high |
| August Weather | 17°C (64°F) | 84 mm (3.3 inches) | 92% | very high |
| September Weather | 14°C (58°F) | 108 mm (4.3 inches) | 88% | high |
| October Weather | 9°C (49°F) | 110 mm (4.3 inches) | 84% | moderate |
| November Weather | 5°C (41°F) | 140 mm (5.5 inches) | 82% | moderate |
| December Weather | 1°C (33°F) | 157 mm (6.2 inches) | 81% | low |