Last updated: June 24, 2025
In Rock Valley, United States, the average temperature for April hovers around 7°C (45°F). While the mercury can dip as low as -16°C (3°F), it can also soar to a pleasant 29°C (84°F). Expect about 92 mm (3.6 in) of precipitation over 9 days, with an average humidity level of 79%. Stay prepared for a mix of conditions!
In April in Rock Valley, 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 Valley in April, the precipitation amount is 92 mm (3.6 in) during 9 days, indicating a relatively wet period for the region.
In Rock Valley 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 Valley 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 Valley.
UV Risk Categories
Weather in Rock Valley varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rock Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 25 mm (1.0 inches) | 80% | low |
| February Weather | -7°C (20°F) | 29 mm (1.1 inches) | 84% | moderate |
| March Weather | 2°C (36°F) | 70 mm (2.7 inches) | 75% | moderate |
| April Weather | 7°C (45°F) | 92 mm (3.6 inches) | 79% | very high |
| May Weather | 15°C (60°F) | 133 mm (5.2 inches) | 74% | very high |
| June Weather | 23°C (73°F) | 101 mm (4.0 inches) | 81% | extreme |
| July Weather | 24°C (75°F) | 80 mm (3.2 inches) | 82% | very high |
| August Weather | 22°C (72°F) | 98 mm (3.9 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 100 mm (3.9 inches) | 75% | very high |
| October Weather | 9°C (49°F) | 85 mm (3.3 inches) | 77% | moderate |
| November Weather | 2°C (35°F) | 27 mm (1.0 inches) | 85% | moderate |
| December Weather | -3°C (27°F) | 39 mm (1.5 inches) | 83% | moderate |