Last updated: June 24, 2025
In May, the average temperature in Urbana, United States hovers around 18°C (65°F), but be prepared for a temperature range that can dip to a chilly 0°C (32°F) or soar to a sizzling 34°C (93°F). With an average precipitation of 142 mm (5.6 in) spread over 15 days, it's wise to carry an umbrella. The air is generally quite humid, with an average humidity level of 80%, making those warmer days feel even more intense.
In May in Urbana, the average temperature is 18°C (65°F). Maximums can reach 34°C (93°F), and minimums can be as low as 0°C (32°F). It's wise to prepare for a range of temperatures when traveling to Urbana during this time.
In Urbana in May, the total precipitation amount is 142 mm (5.6 in) spread over a period of 15 days.
In Urbana in May, humidity is 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting for travelers.
In Urbana 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 Urbana.
UV Risk Categories
Weather in Urbana varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Urbana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 78 mm (3.1 inches) | 84% | moderate |
| February Weather | 0°C (32°F) | 77 mm (3.0 inches) | 82% | moderate |
| March Weather | 6°C (43°F) | 114 mm (4.5 inches) | 84% | high |
| April Weather | 11°C (53°F) | 120 mm (4.7 inches) | 83% | very high |
| May Weather | 18°C (65°F) | 142 mm (5.6 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 103 mm (4.1 inches) | 83% | extreme |
| July Weather | 25°C (78°F) | 84 mm (3.3 inches) | 82% | very high |
| August Weather | 23°C (75°F) | 102 mm (4.0 inches) | 82% | very high |
| September Weather | 21°C (70°F) | 83 mm (3.3 inches) | 79% | very high |
| October Weather | 14°C (58°F) | 116 mm (4.5 inches) | 79% | high |
| November Weather | 5°C (42°F) | 75 mm (2.9 inches) | 88% | moderate |
| December Weather | 2°C (36°F) | 56 mm (2.2 inches) | 87% | moderate |