Last updated: June 24, 2025
In Lake Saint Louis, United States, the average temperature in June hovers around 25°C (76°F), providing a pleasant climate for all. Temperatures can range from a cool 12°C (54°F) to a sweltering 37°C (99°F), so it's wise to prepare for anything! Expect about 84 mm (3.3 in) of precipitation over 11 days, resulting in an average humidity of 83%—perfect for those who enjoy a bit of tropical flair!
In June in Lake Saint Louis, the average temperature is 25°C (76°F). The maximum can reach 37°C (99°F) and the minimum can be as low as 12°C (54°F). This makes it an ideal time to visit for those who enjoy warm weather but should be prepared for both hot days and cooler evenings.
In Lake Saint Louis, in June, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.
In Lake Saint Louis in June humidity is 83%. With an average temperature of 25°C (76°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit more challenging and prompting frequent breaks for hydration.
In Lake Saint Louis 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 Lake Saint Louis.
UV Risk Categories
Weather in Lake Saint Louis varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Lake Saint Louis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 72 mm (2.9 inches) | 82% | moderate |
| February Weather | 2°C (35°F) | 78 mm (3.1 inches) | 80% | moderate |
| March Weather | 8°C (47°F) | 128 mm (5.0 inches) | 80% | high |
| April Weather | 13°C (55°F) | 121 mm (4.8 inches) | 80% | very high |
| May Weather | 19°C (67°F) | 145 mm (5.7 inches) | 82% | very high |
| June Weather | 25°C (76°F) | 84 mm (3.3 inches) | 83% | extreme |
| July Weather | 26°C (80°F) | 97 mm (3.8 inches) | 81% | extreme |
| August Weather | 24°C (76°F) | 139 mm (5.5 inches) | 80% | very high |
| September Weather | 22°C (72°F) | 56 mm (2.2 inches) | 76% | very high |
| October Weather | 15°C (59°F) | 110 mm (4.3 inches) | 76% | high |
| November Weather | 7°C (44°F) | 68 mm (2.7 inches) | 85% | moderate |
| December Weather | 4°C (39°F) | 52 mm (2.1 inches) | 86% | moderate |