Last updated: June 18, 2025
In May, the average temperature in Medicine Hat, Canada hovers around 12°C (54°F). However, be prepared for some variability, as temperatures can drop as low as -8°C (17°F) and rise to a sweltering 30°C (86°F). Expect an average of 46 mm (1.8 in) of precipitation over about 8 days, while maintaining an average humidity level of 72%.
In May in Medicine Hat, the average temperature is 12°C (54°F). Maximum temperatures can reach up to 30°C (86°F), while minimum temperatures can drop as low as -8°C (17°F). Be sure to pack layers to enjoy the diverse weather during your travels!
In Medicine Hat in May, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.
In Medicine Hat in May, humidity is 72%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions a bit uncomfortable. You may find yourself reaching for an extra layer as the moisture in the air adds to the coolness, prompting travelers to seek out sheltered spots to enjoy the scenery.
In Medicine Hat 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 Medicine Hat.
UV Risk Categories
Weather in Medicine Hat varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Medicine Hat, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 10 mm (0.4 inches) | 86% | low |
| February Weather | -10°C (14°F) | 24 mm (0.9 inches) | 89% | moderate |
| March Weather | -2°C (29°F) | 20 mm (0.8 inches) | 83% | moderate |
| April Weather | 4°C (40°F) | 31 mm (1.2 inches) | 75% | high |
| May Weather | 12°C (54°F) | 46 mm (1.8 inches) | 72% | very high |
| June Weather | 17°C (63°F) | 59 mm (2.3 inches) | 75% | very high |
| July Weather | 20°C (69°F) | 25 mm (1.0 inches) | 75% | very high |
| August Weather | 19°C (66°F) | 23 mm (0.9 inches) | 69% | very high |
| September Weather | 13°C (56°F) | 33 mm (1.3 inches) | 66% | high |
| October Weather | 5°C (41°F) | 33 mm (1.3 inches) | 72% | moderate |
| November Weather | -1°C (30°F) | 35 mm (1.4 inches) | 82% | low |
| December Weather | -6°C (22°F) | 19 mm (0.8 inches) | 89% | low |