Last updated: June 24, 2025
In Houston, United States, the average temperature in July is a pleasant 23°C (74°F), with daytime highs reaching up to 35°C (94°F) and nighttime lows dipping to 13°C (55°F). Visitors can expect 105 mm (4.1 in) of precipitation over approximately 10 days, and an average humidity of 75% adds a touch of tropical warmth to the atmosphere.
In July in Houston, the average temperature is 23°C (74°F), with maximums reaching up to 35°C (94°F) and minimums dropping as low as 13°C (55°F). This mild and variable climate makes it an ideal destination for travelers seeking both warm days and cool evenings.
In Houston in July, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.
In Houston in July, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.
In Houston in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Houston.
UV Risk Categories
Weather in Houston varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Houston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 37 mm (1.4 inches) | 84% | moderate |
| February Weather | -6°C (21°F) | 50 mm (2.0 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 60 mm (2.4 inches) | 84% | moderate |
| April Weather | 7°C (45°F) | 86 mm (3.4 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 150 mm (5.9 inches) | 75% | very high |
| June Weather | 22°C (71°F) | 146 mm (5.7 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 105 mm (4.1 inches) | 75% | very high |
| August Weather | 21°C (71°F) | 116 mm (4.6 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 119 mm (4.7 inches) | 74% | very high |
| October Weather | 10°C (50°F) | 125 mm (4.9 inches) | 79% | moderate |
| November Weather | 2°C (35°F) | 54 mm (2.1 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 42 mm (1.6 inches) | 82% | low |