Last updated: June 24, 2025
In May, the average temperature in West Lafayette, United States hovers around 17°C (63°F). Temperatures can range from a brisk -1°C (30°F) to a warm 32°C (89°F). During this month, expect about 131 mm (5.1 in) of precipitation over 16 days, contributing to an average humidity of 81%. Be prepared for a mix of weather!
In May in West Lafayette, the average temperature is 17°C (63°F). Maximums can reach 32°C (89°F) and minimums can be as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In West Lafayette in May, the total precipitation amount is 131 mm (5.1 in) over a span of 16 days.
In West Lafayette in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.
In West Lafayette 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 West Lafayette.
UV Risk Categories
Weather in West Lafayette varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in West Lafayette, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 92 mm (3.6 inches) | 88% | moderate |
| February Weather | 1°C (35°F) | 113 mm (4.5 inches) | 88% | moderate |
| March Weather | 6°C (42°F) | 109 mm (4.3 inches) | 87% | high |
| April Weather | 11°C (52°F) | 129 mm (5.1 inches) | 87% | very high |
| May Weather | 17°C (63°F) | 131 mm (5.1 inches) | 81% | very high |
| June Weather | 22°C (71°F) | 141 mm (5.5 inches) | 83% | very high |
| July Weather | 24°C (76°F) | 114 mm (4.5 inches) | 82% | very high |
| August Weather | 23°C (73°F) | 93 mm (3.6 inches) | 76% | very high |
| September Weather | 20°C (69°F) | 107 mm (4.2 inches) | 77% | very high |
| October Weather | 14°C (58°F) | 107 mm (4.2 inches) | 82% | high |
| November Weather | 6°C (42°F) | 99 mm (3.9 inches) | 89% | moderate |
| December Weather | 2°C (37°F) | 101 mm (4.0 inches) | 86% | low |