Last updated: March 2, 2024
The weather in Evanston, United States, during August is characterized by an average temperature of 23°C (73°F). Highs can soar to 31°C (89°F), while lows may dip to 14°C (58°F). Typically, the humidity level in Evanston throughout August hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Evanston averages 80 mm (3.2 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 46 minutes of daylight, with the sun shining for approximately 11 hours 0 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In August, the UV Index in Evanston reaches a maximum of 9, 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 | 5 | 7 | 9 | 9 | 8 | 6 | 4 | 3 | 1 | 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 | ||||||