Last updated: June 24, 2025
In June, the average temperature in Prospect Heights, United States hovers around 21°C (71°F), with a minimum dipping to 9°C (49°F), and peaking at a warm 34°C (93°F). Expect 134 mm (5.3 in) of precipitation over approximately 13 days, along with an average humidity of 82%. Prepare for a mix of sunshine and rain as you enjoy your time in this vibrant locale!
In June in Prospect Heights, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F), while the minimum can drop to as low as 9°C (49°F). This weather makes Prospect Heights a great destination for travelers seeking mild temperatures and the opportunity to experience both warm and cooler days.
In Prospect Heights in June, the precipitation amount is 134 mm (5.3 in) recorded over the course of 13 days.
In Prospect Heights in June humidity is 82%. With an average temperature of 21°C (71°F), this humidity feels like a warm, muggy embrace that can make traveling feel sticky and exhausting, urging you to seek shade and hydration as you explore the vibrant surroundings.
In Prospect Heights 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 Prospect Heights.
UV Risk Categories
Weather in Prospect Heights varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Prospect Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 61 mm (2.4 inches) | 82% | moderate |
| February Weather | -2°C (28°F) | 60 mm (2.4 inches) | 83% | moderate |
| March Weather | 4°C (39°F) | 79 mm (3.1 inches) | 84% | high |
| April Weather | 9°C (48°F) | 115 mm (4.5 inches) | 85% | very high |
| May Weather | 15°C (60°F) | 164 mm (6.4 inches) | 79% | very high |
| June Weather | 21°C (71°F) | 134 mm (5.3 inches) | 82% | very high |
| July Weather | 24°C (75°F) | 105 mm (4.1 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 92 mm (3.6 inches) | 81% | very high |
| September Weather | 20°C (68°F) | 85 mm (3.3 inches) | 80% | very high |
| October Weather | 12°C (54°F) | 127 mm (5.0 inches) | 82% | high |
| November Weather | 4°C (39°F) | 55 mm (2.2 inches) | 88% | moderate |
| December Weather | 0°C (33°F) | 53 mm (2.1 inches) | 84% | low |