Last updated: June 24, 2025
In Mountain City, United States, the average temperature in May hovers around 18°C (64°F), with a range that can dip to a brisk 1°C (34°F) or rise to a warm 29°C (85°F). Expect some rainy days as the area receives about 155 mm (6.1 in) of precipitation over approximately 13 days, accompanied by an average humidity level of 85%.
In May in Mountain City, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 29°C (85°F), while the minimum can dip as low as 1°C (34°F). It’s advisable to pack layers to prepare for the varying temperatures during your travels.
In Mountain City in May, the precipitation amount is 155 mm (6.1 in) over the course of 13 days.
In Mountain City in May, humidity is 85%. With an average temperature of 18°C (64°F), this humidity feels like a muggy blanket enveloping you, making travel a bit heavy and sticky, as the air clings to your skin and every step can feel like wading through molasses.
In Mountain City in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Mountain City.
UV Risk Categories
Weather in Mountain City varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mountain City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 122 mm (4.8 inches) | 86% | moderate |
| February Weather | 7°C (45°F) | 196 mm (7.7 inches) | 86% | high |
| March Weather | 10°C (49°F) | 152 mm (6.0 inches) | 86% | very high |
| April Weather | 13°C (56°F) | 149 mm (5.9 inches) | 82% | extreme |
| May Weather | 18°C (64°F) | 155 mm (6.1 inches) | 85% | extreme |
| June Weather | 21°C (70°F) | 131 mm (5.2 inches) | 85% | extreme |
| July Weather | 23°C (73°F) | 121 mm (4.8 inches) | 83% | extreme |
| August Weather | 22°C (72°F) | 160 mm (6.3 inches) | 76% | extreme |
| September Weather | 20°C (68°F) | 142 mm (5.6 inches) | 76% | very high |
| October Weather | 15°C (60°F) | 172 mm (6.8 inches) | 80% | very high |
| November Weather | 8°C (47°F) | 101 mm (4.0 inches) | 88% | high |
| December Weather | 6°C (43°F) | 156 mm (6.2 inches) | 88% | moderate |