Last updated: June 24, 2025
In May, the average temperature in Fountain City, United States hovers around 15°C (59°F), with a considerable range from a brisk 1°C (33°F) to a scorching 36°C (97°F). Expect 147 mm (5.8 in) of precipitation over approximately 14 days, contributing to an average humidity level of 79%.
In May, in Fountain City, the average temperature is 15°C (59°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 1°C (33°F). It's a great time to pack for a range of weather, ensuring you're prepared for both warm days and cooler evenings while exploring the area.
In Fountain City in May, the total precipitation amount is 147 mm (5.8 in) over the course of 14 days.
In Fountain City in May humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.
In Fountain City 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 Fountain City.
UV Risk Categories
Weather in Fountain City varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Fountain City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 34 mm (1.3 inches) | 88% | low |
| February Weather | -7°C (19°F) | 48 mm (1.9 inches) | 89% | moderate |
| March Weather | 1°C (35°F) | 55 mm (2.2 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 92 mm (3.6 inches) | 85% | very high |
| May Weather | 15°C (59°F) | 147 mm (5.8 inches) | 79% | very high |
| June Weather | 21°C (71°F) | 147 mm (5.8 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 99 mm (3.9 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 133 mm (5.2 inches) | 78% | very high |
| September Weather | 18°C (64°F) | 112 mm (4.4 inches) | 80% | high |
| October Weather | 9°C (49°F) | 115 mm (4.5 inches) | 84% | moderate |
| November Weather | 1°C (35°F) | 51 mm (2.0 inches) | 89% | moderate |
| December Weather | -4°C (26°F) | 45 mm (1.8 inches) | 85% | low |