Last updated: June 24, 2025
In La Crosse, United States, the average temperature in May hovers around 17°C (63°F), providing a mild yet refreshing climate. However, be prepared for temperature fluctuations, as it can drop to a chilly -2°C (28°F) or soar to a scorching 35°C (95°F). With an average precipitation of 170 mm (6.7 in) spread over 15 days, don’t forget your umbrella! Additionally, the air carries a humidity level of 81%, making it essential to stay hydrated while you explore.
In May, in La Crosse, the average temperature is 17°C (63°F). The maximum can reach 35°C (95°F), while the minimum can be as low as -2°C (28°F). This variability in temperature makes La Crosse an exciting destination for travelers seeking both warmth and the thrill of cooler experiences.
In La Crosse in May, the total precipitation amount is 170 mm (6.7 in) over the course of 15 days.
In La Crosse in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.
In La Crosse 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 La Crosse.
UV Risk Categories
Weather in La Crosse varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in La Crosse, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 73 mm (2.9 inches) | 85% | moderate |
| February Weather | -2°C (30°F) | 74 mm (2.9 inches) | 85% | moderate |
| March Weather | 5°C (41°F) | 103 mm (4.0 inches) | 86% | high |
| April Weather | 10°C (50°F) | 110 mm (4.3 inches) | 87% | very high |
| May Weather | 17°C (63°F) | 170 mm (6.7 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 117 mm (4.6 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 113 mm (4.5 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 106 mm (4.2 inches) | 79% | very high |
| September Weather | 20°C (69°F) | 71 mm (2.8 inches) | 78% | very high |
| October Weather | 13°C (56°F) | 126 mm (5.0 inches) | 81% | high |
| November Weather | 5°C (41°F) | 70 mm (2.7 inches) | 89% | moderate |
| December Weather | 1°C (34°F) | 59 mm (2.3 inches) | 86% | low |