Last updated: March 2, 2024
The weather in Lake Forest, United States, during April is characterized by an average temperature of 25°C (77°F). Highs can soar to 30°C (87°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Lake Forest throughout April hovers around 73%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Lake Forest averages 75 mm (2.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 47 minutes of daylight, with the sun shining for approximately 11 hours 3 minutes each day. Additionally, there is a 55% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Lake Forest reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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 | 1 | 2 | 5 | 8 | 10 | 12 | 11 | 9 | 6 | 3 | 1 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||