Last updated: June 24, 2025
In May, the average temperature in Madison, United States hovers around 14°C (58°F), with a wide range that can dip to a chilly 0°C (32°F) and rise to a warm 35°C (95°F). Expect an average precipitation of 99 mm (3.9 in) over about 11 days, contributing to the region's 76% average humidity. Prepare for a varied climate that invites both warmth and occasional rain!
In May in Madison, the average temperature is 14°C (58°F). The maximum can reach 35°C (95°F) and the minimum can be as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and chilly nights.
In Madison, in May, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.
In Madison in May humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.
In Madison in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Madison.
UV Risk Categories
Weather in Madison varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Madison, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 22 mm (0.9 inches) | 85% | moderate |
| February Weather | -9°C (16°F) | 19 mm (0.7 inches) | 89% | moderate |
| March Weather | 0°C (32°F) | 53 mm (2.1 inches) | 81% | moderate |
| April Weather | 5°C (42°F) | 70 mm (2.7 inches) | 82% | high |
| May Weather | 14°C (58°F) | 99 mm (3.9 inches) | 76% | very high |
| June Weather | 22°C (72°F) | 86 mm (3.4 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 101 mm (4.0 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 129 mm (5.1 inches) | 83% | very high |
| September Weather | 18°C (64°F) | 86 mm (3.4 inches) | 82% | high |
| October Weather | 8°C (48°F) | 84 mm (3.3 inches) | 82% | moderate |
| November Weather | 1°C (34°F) | 26 mm (1.0 inches) | 87% | moderate |
| December Weather | -4°C (24°F) | 37 mm (1.4 inches) | 84% | low |