Last updated: June 24, 2025
In Perryville, United States, the average temperature in May hovers around 20°C (68°F), offering a pleasant climate for outdoor activities. Expect temperatures to range from a cool 3°C (38°F) to a warm 33°C (91°F). Be prepared for 149 mm (5.9 in) of precipitation spread over 13 days, contributing to a relatively high average humidity of 82%. Enjoy the balance of warmth and refreshing rain this month!
In May in Perryville, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F), while minimums can drop to 3°C (38°F). It's a great time to travel to Perryville, as you'll experience mild days with some potential for warmer afternoons and cooler evenings.
In Perryville in May, the precipitation amount is 149 mm (5.9 in) spread over 13 days.
In Perryville in May humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.
In Perryville in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Perryville.
UV Risk Categories
Weather in Perryville varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Perryville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 90 mm (3.5 inches) | 86% | moderate |
| February Weather | 3°C (38°F) | 108 mm (4.2 inches) | 84% | high |
| March Weather | 9°C (49°F) | 137 mm (5.4 inches) | 84% | high |
| April Weather | 13°C (56°F) | 154 mm (6.1 inches) | 80% | very high |
| May Weather | 20°C (68°F) | 149 mm (5.9 inches) | 82% | extreme |
| June Weather | 25°C (77°F) | 81 mm (3.2 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 92 mm (3.6 inches) | 79% | very high |
| August Weather | 25°C (77°F) | 107 mm (4.2 inches) | 76% | very high |
| September Weather | 22°C (73°F) | 70 mm (2.8 inches) | 75% | very high |
| October Weather | 16°C (60°F) | 118 mm (4.7 inches) | 74% | high |
| November Weather | 7°C (45°F) | 86 mm (3.4 inches) | 85% | moderate |
| December Weather | 5°C (41°F) | 78 mm (3.1 inches) | 88% | moderate |