Last updated: June 18, 2025
In June, the average temperature in Rock Island, Canada hovers around 17°C (62°F). Expect temperatures to range from a chilly 0°C (33°F) at night to a warm 31°C (89°F) during the day. With an average precipitation of 116 mm (4.5 in) over 14 days, be prepared for some rain. The air is generally humid, with an average of 72%, creating a lush, vibrant atmosphere.
In June in Rock Island, the average temperature is 17°C (62°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop to as low as 0°C (33°F). Be prepared for a wide range of temperatures while exploring Rock Island during this time.
In Rock Island in June, the precipitation amount is 116 mm (4.5 in) over the course of 14 days.
In Rock Island in June humidity is 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.
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 | -8°C (17°F) | 88 mm (3.5 inches) | 91% | low |
| February Weather | -7°C (20°F) | 82 mm (3.2 inches) | 89% | moderate |
| March Weather | -3°C (27°F) | 80 mm (3.1 inches) | 85% | moderate |
| April Weather | 5°C (40°F) | 112 mm (4.4 inches) | 84% | high |
| May Weather | 12°C (53°F) | 103 mm (4.1 inches) | 78% | very high |
| June Weather | 17°C (62°F) | 116 mm (4.5 inches) | 72% | very high |
| July Weather | 20°C (67°F) | 119 mm (4.7 inches) | 75% | very high |
| August Weather | 19°C (66°F) | 104 mm (4.1 inches) | 74% | very high |
| September Weather | 14°C (58°F) | 83 mm (3.3 inches) | 77% | high |
| October Weather | 8°C (47°F) | 149 mm (5.9 inches) | 85% | moderate |
| November Weather | 0°C (33°F) | 114 mm (4.5 inches) | 86% | moderate |
| December Weather | -5°C (23°F) | 84 mm (3.3 inches) | 85% | low |