Last updated: June 24, 2025
In April, the average temperature in Rock Rapids, United States hovers around 7°C (45°F). However, be prepared for the extremes—ranging from a chilly -16°C (3°F) to a warm 29°C (84°F). Expect 83 mm (3.3 in) of precipitation over about 9 days, and don't forget to factor in the elevated humidity levels at around 79%.
In April in Rock Rapids, the average temperature is 7°C (45°F), with maximums that can reach 29°C (84°F) and minimums that can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling during this time!
In Rock Rapids in April, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.
In Rock Rapids in April humidity is 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.
In Rock Rapids in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 April’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 |