Last updated: June 24, 2025
In May, the average temperature in Peoria Heights, United States hovers around 18°C (64°F). Expect a wide range in temperatures, with minimums dipping to -1°C (31°F) and maximums soaring to 35°C (95°F). This month, you can also anticipate about 167 mm (6.6 in) of precipitation spread over 16 days, accompanied by an average humidity of 79%.
In May in Peoria Heights, the average temperature is 18°C (64°F). Maximums can reach up to 35°C (95°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling during this time.
In Peoria Heights in May, the precipitation amount is 167 mm (6.6 in) occurring over a span of 16 days.
In Peoria Heights in May, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.
In Peoria Heights 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 Peoria Heights.
UV Risk Categories
Weather in Peoria Heights varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Peoria Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 61 mm (2.4 inches) | 82% | moderate |
| February Weather | -2°C (29°F) | 67 mm (2.7 inches) | 83% | moderate |
| March Weather | 5°C (42°F) | 108 mm (4.3 inches) | 84% | high |
| April Weather | 10°C (51°F) | 116 mm (4.6 inches) | 85% | very high |
| May Weather | 18°C (64°F) | 167 mm (6.6 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 148 mm (5.8 inches) | 82% | extreme |
| July Weather | 25°C (77°F) | 107 mm (4.2 inches) | 80% | very high |
| August Weather | 23°C (74°F) | 74 mm (2.9 inches) | 81% | very high |
| September Weather | 21°C (70°F) | 71 mm (2.8 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 131 mm (5.2 inches) | 82% | high |
| November Weather | 4°C (40°F) | 57 mm (2.3 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 55 mm (2.2 inches) | 84% | low |