August Weather in Lake Forest

Last updated: March 2, 2024

The weather in Lake Forest, United States, during August is characterized by an average temperature of 23°C (74°F). Highs can soar to 33°C (92°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Lake Forest throughout August hovers around 69%.

17°C (62°F)

Minimum temperature

23°C (74°F)

Average temperature

33°C (92°F)

Maximum temperature

69%

Humidity

Precipitation and Sunshine hours

In August, Lake Forest averages 2 mm (0.1 inches) of rainfall, typically over the course of 0 rainy days. The month enjoys an average of 13 hours 19 minutes of daylight, with the sun shining for approximately 11 hours 39 minutes each day. Additionally, there is a 78% probability of sunny days during this period.

2 mm (0.1 inches)

Precipitation

0 rainy days

Rainy days

11 hours 39 minutes

Sunshine hours

78%

Chance of sun

UV Index

In August, the UV Index in Lake Forest 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 7 5 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

Compare Lake Forest's Climate with Cities Worldwide