Last updated: June 24, 2025
In Rock Island, United States during the month of June, the average temperature hovers around 17°C (63°F). However, be prepared for a wide range, with the minimum dipping to 4°C (39°F) and the maximum soaring to 41°C (106°F). Expect a precipitation total of 14 mm (0.5 in) over 4 days, and take note of the average humidity level at a comfortable 82%.
In June in Rock Island, the average temperature is 17°C (63°F). Maximum temperatures can reach 41°C (106°F), while minimums can drop as low as 4°C (39°F). Be prepared for a wide range of temperatures if you're planning to travel during this month!
In Rock Island in June, the precipitation amount is 14 mm (0.5 in) over a span of 4 days.
In Rock Island in June, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.
In Rock Island in June, 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 Island.
UV Risk Categories
Weather in Rock Island varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Rock Island, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 84 mm (3.3 inches) | 86% | low |
| February Weather | -2°C (29°F) | 76 mm (3.0 inches) | 86% | moderate |
| March Weather | 3°C (38°F) | 46 mm (1.8 inches) | 87% | high |
| April Weather | 8°C (46°F) | 41 mm (1.6 inches) | 84% | high |
| May Weather | 13°C (56°F) | 26 mm (1.0 inches) | 81% | very high |
| June Weather | 17°C (63°F) | 14 mm (0.5 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 3 mm (0.1 inches) | 79% | very high |
| August Weather | 21°C (70°F) | 5 mm (0.2 inches) | 63% | very high |
| September Weather | 15°C (60°F) | 26 mm (1.0 inches) | 62% | high |
| October Weather | 8°C (46°F) | 56 mm (2.2 inches) | 83% | moderate |
| November Weather | 2°C (37°F) | 64 mm (2.5 inches) | 89% | moderate |
| December Weather | -1°C (30°F) | 79 mm (3.1 inches) | 88% | low |