Last updated: June 24, 2025
In April, the average temperature in Houston, United States hovers around 7°C (45°F). Be prepared for fluctuations, as temperatures can dip as low as -11°C (13°F) or rise to a pleasant 27°C (80°F). Expect about 86 mm (3.4 in) of precipitation over 11 days, with an average humidity of 83%, making the atmosphere feel quite damp.
In April in Houston, the average temperature is 7°C (45°F). Maximums can reach 27°C (80°F), and minimums can drop as low as -11°C (13°F). Therefore, travelers should be prepared for a wide range of temperatures, ensuring their packing includes both warm and light clothing.
In Houston in April, the precipitation amount is 86 mm (3.4 in), spread over 11 days.
In Houston in April, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.
In Houston in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 April’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 |