Last updated: June 24, 2025
In Superior, United States, the average temperature in May hovers around 10°C (50°F). Expect a cool climate with minimum temperatures dropping to -4°C (24°F) and the potential to reach a comfortable maximum of 28°C (84°F). With an average precipitation of 84 mm (3.3 in) spread over 15 days, you'll want to be prepared for some rainy spells. The air is typically quite humid, with an average humidity of 77%, making it a lush destination.
In May in Superior, the average temperature is 10°C (50°F). Maximum can reach 28°C (84°F) and minimum can be as low as -4°C (24°F). This diverse temperature range makes Superior an ideal destination for travelers seeking varied experiences, from warm days to chilly nights.
In Superior in May, the total precipitation amount is 84 mm (3.3 in) recorded over a span of 15 days.
In Superior in May, humidity is 77%. With an average temperature of 10°C (50°F), this humidity feels like a thick, heavy blanket enveloping you, making travel uncomfortable and sticky, as it clings to your skin and clothes, turning each step into a challenge.
In Superior in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Superior.
UV Risk Categories
Weather in Superior varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Superior, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 71 mm (2.8 inches) | 89% | low |
| February Weather | -5°C (23°F) | 117 mm (4.6 inches) | 89% | moderate |
| March Weather | 0°C (33°F) | 75 mm (2.9 inches) | 87% | high |
| April Weather | 4°C (39°F) | 87 mm (3.4 inches) | 84% | high |
| May Weather | 10°C (50°F) | 84 mm (3.3 inches) | 77% | very high |
| June Weather | 14°C (58°F) | 65 mm (2.6 inches) | 78% | very high |
| July Weather | 19°C (67°F) | 20 mm (0.8 inches) | 77% | very high |
| August Weather | 19°C (66°F) | 29 mm (1.1 inches) | 64% | very high |
| September Weather | 13°C (55°F) | 41 mm (1.6 inches) | 62% | high |
| October Weather | 5°C (41°F) | 85 mm (3.4 inches) | 79% | moderate |
| November Weather | 1°C (33°F) | 95 mm (3.7 inches) | 87% | moderate |
| December Weather | -3°C (27°F) | 92 mm (3.6 inches) | 90% | low |