Weather And Climate

Houston's Unbearable Humidity: A Monthly Breakdown

The Mean Monthly Relative Humidity

Houston, Texas, experiences varying levels of humidity throughout the year. According to climate data, the mean monthly relative humidity in Houston ranges from 65% to 84%. September stands out as the most humid month, with an average relative humidity of 84%. The driest month, on the other hand, is May, with an average relative humidity of 65%.

Seasonal Humidity Trends

Houston's climate is characterized by hot and oppressive summers and cool winters. During the summer months (June to September), the humid subtropical climate brings increased heat and humidity. The average high temperature in these months is in the low 90s, making the combination of heat and humidity almost unbearable.

Impact on Daily Life

The high humidity levels in Houston can significantly impact daily life. The sweltering heat and humidity can make outdoor activities uncomfortable and even dangerous. Residents often rely on air conditioning and other cooling methods to stay comfortable during the humid months. Additionally, the humidity can exacerbate respiratory issues for some individuals.

National Weather Service