Last updated: June 24, 2025
In April, the average temperature in Rocky River, United States hovers around 9°C (48°F). Expect temperatures to range from a chilly -3°C (26°F) to a warm 27°C (80°F). With 116 mm (4.6 in) of precipitation spread over 15 days, and an average humidity of 87%, it's wise to prepare for some wet and humid days during your visit!
In April in Rocky River, the average temperature is 9°C (48°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -3°C (26°F). This diverse temperature range makes it essential for travelers to pack clothing suitable for both warm days and chilly nights.
In Rocky River in April, the total precipitation amount is 116 mm (4.6 in), occurring over a span of 15 days.
In Rocky River in April humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.
In Rocky River 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 Rocky River.
UV Risk Categories
Weather in Rocky River varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rocky River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 84 mm (3.3 inches) | 88% | moderate |
| February Weather | 0°C (32°F) | 89 mm (3.5 inches) | 88% | moderate |
| March Weather | 3°C (39°F) | 90 mm (3.6 inches) | 87% | high |
| April Weather | 9°C (48°F) | 116 mm (4.6 inches) | 87% | very high |
| May Weather | 15°C (60°F) | 125 mm (4.9 inches) | 81% | very high |
| June Weather | 21°C (70°F) | 118 mm (4.7 inches) | 83% | very high |
| July Weather | 24°C (75°F) | 128 mm (5.1 inches) | 82% | very high |
| August Weather | 23°C (73°F) | 90 mm (3.6 inches) | 76% | very high |
| September Weather | 20°C (68°F) | 81 mm (3.2 inches) | 77% | very high |
| October Weather | 14°C (58°F) | 115 mm (4.5 inches) | 82% | high |
| November Weather | 6°C (43°F) | 101 mm (4.0 inches) | 89% | moderate |
| December Weather | 2°C (36°F) | 93 mm (3.7 inches) | 86% | low |