Last updated: June 24, 2025
In May, the average temperature in Rocky River, United States hovers around 15°C (60°F), making it a pleasant time of year. However, be prepared for a temperature range that can dip to a chilly 0°C (33°F) at its lowest and soar to a warm 30°C (87°F) at its highest. Rainfall is not uncommon, with an average precipitation of 125 mm (4.9 in) spread over 15 days. Coupled with an average humidity of 81%, it's wise to embrace the season’s variability!
In May in Rocky River, the average temperature is 15°C (60°F). The maximum can reach 30°C (87°F) and the minimum can be as low as 0°C (33°F). This temperature variability makes it essential for travelers to pack layers and be prepared for both warm and cool conditions.
In Rocky River in May, the precipitation amount is 125 mm (4.9 in) over a span of 15 days.
In Rocky River in May, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.
In Rocky River 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 Rocky River.
UV Risk Categories
Weather in Rocky River varies notably across the year, with each month offering distinct climate conditions. This page compares May’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 |