Last updated: June 24, 2025
In Rock Island, United States, the average temperature in June hovers around 26°C (79°F). Be prepared for a range of temperatures, with minimums dipping to 13°C (56°F) and maximums soaring to 36°C (98°F). During this month, you can expect approximately 87 mm (3.4 in) of precipitation spread over 9 days, accompanied by a high average humidity of 81%.
In June in Rock Island, the average temperature is 26°C (79°F), with maximums reaching up to 36°C (98°F) and minimums dipping as low as 13°C (56°F). It's essential to pack both light clothing for the heat and warmer layers for the cooler evenings while traveling.
In Rock Island in June, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.
In Rock Island in June, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.
In Rock Island in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 | 5°C (42°F) | 83 mm (3.3 inches) | 82% | moderate |
| February Weather | 7°C (45°F) | 113 mm (4.5 inches) | 79% | high |
| March Weather | 13°C (56°F) | 119 mm (4.7 inches) | 77% | high |
| April Weather | 16°C (61°F) | 135 mm (5.3 inches) | 78% | very high |
| May Weather | 22°C (71°F) | 200 mm (7.9 inches) | 82% | extreme |
| June Weather | 26°C (79°F) | 87 mm (3.4 inches) | 81% | extreme |
| July Weather | 28°C (83°F) | 80 mm (3.1 inches) | 75% | extreme |
| August Weather | 27°C (81°F) | 116 mm (4.6 inches) | 61% | very high |
| September Weather | 25°C (77°F) | 66 mm (2.6 inches) | 59% | very high |
| October Weather | 18°C (64°F) | 131 mm (5.2 inches) | 69% | high |
| November Weather | 11°C (52°F) | 69 mm (2.7 inches) | 82% | moderate |
| December Weather | 8°C (47°F) | 85 mm (3.3 inches) | 87% | moderate |