August Weather in Houston

Last updated: March 2, 2024

The weather in Houston, United States, during August is characterized by an average temperature of 13°C (56°F). Highs can soar to 24°C (76°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Houston throughout August hovers around 100%.

5°C (41°F)

Minimum temperature

13°C (56°F)

Average temperature

24°C (76°F)

Maximum temperature

100%

Humidity

Precipitation and Sunshine hours

In August, Houston averages 152 mm (6.0 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 15 hours 43 minutes of daylight, with the sun shining for approximately 8 hours 25 minutes each day. Additionally, there is a 30% probability of sunny days during this period.

152 mm (6.0 inches)

Precipitation

18 rainy days

Rainy days

8 hours 25 minutes

Sunshine hours

30%

Chance of sun

UV Index

In August, the UV Index in Houston reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 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 2 3 4 5 5 5 4 3 2 1
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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