Last updated: March 2, 2024
The weather in Saint Charles, United States, during June is characterized by an average temperature of 24°C (76°F). Highs can soar to 34°C (94°F), while lows may dip to 15°C (60°F). Typically, the humidity level in Saint Charles throughout June hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Saint Charles averages 106 mm (4.2 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 48 minutes of daylight, with the sun shining for approximately 11 hours 11 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In June, the UV Index in Saint Charles reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 3 | 6 | 8 | 10 | 10 | 9 | 8 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||