August Weather in Collinsville

Last updated: March 2, 2024

The weather in Collinsville, United States, during August is characterized by an average temperature of 27°C (81°F). Highs can soar to 36°C (98°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Collinsville throughout August hovers around 73%.

18°C (64°F)

Minimum temperature

27°C (81°F)

Average temperature

36°C (98°F)

Maximum temperature

73%

Humidity

Precipitation and Sunshine hours

In August, Collinsville averages 120 mm (4.7 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 27 minutes of daylight, with the sun shining for approximately 10 hours 20 minutes each day. Additionally, there is a 61% probability of sunny days during this period.

120 mm (4.7 inches)

Precipitation

11 rainy days

Rainy days

10 hours 20 minutes

Sunshine hours

61%

Chance of sun

UV Index

In August, the UV Index in Collinsville reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 1 2 5 7 9 10 10 9 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

Compare Collinsville's Climate with Cities Worldwide