August Weather in Merrillville

Last updated: March 2, 2024

The weather in Merrillville, United States, during August is characterized by an average temperature of 23°C (73°F). Highs can soar to 32°C (90°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Merrillville throughout August hovers around 79%.

13°C (56°F)

Minimum temperature

23°C (73°F)

Average temperature

32°C (90°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In August, Merrillville averages 95 mm (3.7 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 44 minutes of daylight, with the sun shining for approximately 10 hours 56 minutes each day. Additionally, there is a 46% probability of sunny days during this period.

95 mm (3.7 inches)

Precipitation

11 rainy days

Rainy days

10 hours 56 minutes

Sunshine hours

46%

Chance of sun

UV Index

In August, the UV Index in Merrillville 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.

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 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

Compare Merrillville's Climate with Cities Worldwide