Last updated: June 24, 2025
In April, the average temperature in Houston, United States hovers around 2°C (36°F). Expect chilly conditions, with a minimum dipping to -20°C (-4°F) and a maximum rising to 17°C (63°F). This month, 43 mm (1.7 in) of precipitation is anticipated over approximately 10 days, contributing to an average humidity of 85%. Stay warm and prepared for a mix of dampness and cold!
In April in Houston, the average temperature is 2°C (36°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -20°C (-4°F). It's advisable to pack layers and be prepared for temperature fluctuations if you're planning to travel at this time.
In Houston in April, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.
In Houston in April, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.
In Houston in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Houston for better planning.
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 | -12°C (11°F) | 38 mm (1.5 inches) | 94% | low |
| February Weather | -9°C (16°F) | 49 mm (1.9 inches) | 93% | low |
| March Weather | -6°C (21°F) | 42 mm (1.7 inches) | 91% | moderate |
| April Weather | 2°C (36°F) | 43 mm (1.7 inches) | 85% | moderate |
| May Weather | 9°C (48°F) | 99 mm (3.9 inches) | 88% | high |
| June Weather | 13°C (55°F) | 98 mm (3.9 inches) | 95% | high |
| July Weather | 15°C (60°F) | 103 mm (4.0 inches) | 102% | high |
| August Weather | 13°C (56°F) | 152 mm (6.0 inches) | 100% | moderate |
| September Weather | 9°C (48°F) | 106 mm (4.2 inches) | 96% | moderate |
| October Weather | 2°C (37°F) | 109 mm (4.3 inches) | 91% | low |
| November Weather | -7°C (20°F) | 63 mm (2.5 inches) | 95% | low |
| December Weather | -8°C (18°F) | 76 mm (3.0 inches) | 96% | low |