Last updated: June 24, 2025
In June, the average temperature in River Forest, United States hovers around 20°C (68°F), with daily variations ranging from a cool 9°C (49°F) to a warm 32°C (89°F). Visitors can expect 123 mm (4.8 in) of precipitation spread over 12 days, contributing to the region's average humidity of 82%. Be prepared for a mix of refreshing rain and warm sunshine during your stay!
In June in River Forest, the average temperature is 20°C (68°F). Maximums can reach 32°C (89°F), while minimums can be as low as 9°C (49°F). This diverse temperature range makes River Forest an ideal destination for travelers seeking both warm days and cooler evenings.
In River Forest in June, the precipitation amount is 123 mm (4.8 in) during a period of 12 days.
In River Forest in June humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.
In River Forest in June, 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 River Forest.
UV Risk Categories
Weather in River Forest varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in River Forest, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 66 mm (2.6 inches) | 82% | moderate |
| February Weather | -2°C (29°F) | 66 mm (2.6 inches) | 83% | moderate |
| March Weather | 3°C (38°F) | 82 mm (3.2 inches) | 84% | high |
| April Weather | 8°C (46°F) | 116 mm (4.6 inches) | 85% | very high |
| May Weather | 14°C (57°F) | 159 mm (6.2 inches) | 79% | very high |
| June Weather | 20°C (68°F) | 123 mm (4.8 inches) | 82% | very high |
| July Weather | 23°C (74°F) | 94 mm (3.7 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 80 mm (3.2 inches) | 81% | very high |
| September Weather | 20°C (68°F) | 79 mm (3.1 inches) | 80% | very high |
| October Weather | 13°C (55°F) | 134 mm (5.3 inches) | 82% | high |
| November Weather | 4°C (40°F) | 62 mm (2.4 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 58 mm (2.3 inches) | 84% | low |