Last updated: June 24, 2025
In August, the average temperature in La Crosse, United States hovers around 26°C (78°F), providing a warm and inviting atmosphere. Expect lows of 14°C (58°F) and highs reaching up to 36°C (96°F), showcasing a dynamic range of weather. Be prepared for a precipitation amount of 142 mm (5.6 in) spread across about 15 days, contributing to an average humidity level of 77%. Whether you’re seeking adventure or relaxation, the climate offers a distinctive backdrop for your experience!
In August in La Crosse, the average temperature is 26°C (78°F), with maximums reaching 36°C (96°F) and minimums dropping as low as 14°C (58°F). This makes it a great time for travelers seeking warm weather and pleasant conditions for outdoor activities.
In La Crosse in August, the total precipitation amount is 142 mm (5.6 in) spread over a period of 15 days.
In La Crosse in August, humidity is 77%. With an average temperature of 26°C (78°F), this humidity feels like an inviting embrace that can quickly fatigue travelers, making every step feel heavier and each breath a reminder of the warm, moist air surrounding them.
In La Crosse in August, 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 August’s weather to other months in La Crosse, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 83 mm (3.2 inches) | 84% | moderate |
| February Weather | 8°C (47°F) | 104 mm (4.1 inches) | 84% | high |
| March Weather | 11°C (51°F) | 82 mm (3.2 inches) | 84% | high |
| April Weather | 16°C (61°F) | 104 mm (4.1 inches) | 82% | very high |
| May Weather | 21°C (69°F) | 119 mm (4.7 inches) | 82% | very high |
| June Weather | 24°C (76°F) | 120 mm (4.7 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 101 mm (4.0 inches) | 79% | extreme |
| August Weather | 26°C (78°F) | 142 mm (5.6 inches) | 77% | very high |
| September Weather | 23°C (74°F) | 104 mm (4.1 inches) | 75% | very high |
| October Weather | 18°C (65°F) | 102 mm (4.0 inches) | 81% | very high |
| November Weather | 10°C (51°F) | 79 mm (3.1 inches) | 87% | moderate |
| December Weather | 7°C (45°F) | 98 mm (3.9 inches) | 85% | moderate |