Last updated: June 24, 2025
In Rock Rapids, United States, the average temperature in May hovers around 15°C (59°F). However, be prepared for a range of weather, as temperatures can drop to a chilly 0°C (32°F) or rise to a warm 34°C (93°F). Expect 124 mm (4.9 in) of precipitation distributed over 14 days, contributing to an average humidity level of 74%.
In May in Rock Rapids, the average temperature is 15°C (59°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures during their visit.
In Rock Rapids in May, the precipitation amount is 124 mm (4.9 in) over a span of 14 days.
In Rock Rapids in May, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.
In Rock Rapids 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 Rock Rapids.
UV Risk Categories
Weather in Rock Rapids varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rock Rapids, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 24 mm (0.9 inches) | 80% | low |
| February Weather | -7°C (20°F) | 27 mm (1.1 inches) | 84% | moderate |
| March Weather | 1°C (35°F) | 65 mm (2.5 inches) | 75% | moderate |
| April Weather | 7°C (45°F) | 83 mm (3.3 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 124 mm (4.9 inches) | 74% | very high |
| June Weather | 22°C (73°F) | 98 mm (3.9 inches) | 81% | extreme |
| July Weather | 24°C (75°F) | 80 mm (3.1 inches) | 82% | very high |
| August Weather | 22°C (71°F) | 97 mm (3.8 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 105 mm (4.1 inches) | 75% | very high |
| October Weather | 9°C (48°F) | 85 mm (3.3 inches) | 77% | moderate |
| November Weather | 1°C (35°F) | 26 mm (1.0 inches) | 85% | moderate |
| December Weather | -3°C (26°F) | 38 mm (1.5 inches) | 83% | moderate |