Houston Weather in April

April brings another month of warm weather to Houston, Texas. This month is also noticeably sunnier than previous ones, and windier.

This page gives detailed information on the typical April weather for Houston.

You can jump directly to data and descriptions for:

The numbers here are historical averages based on climate data gathered at the George Bush Intercontinental Airport, located north of downtown Houston.

Temperature Weather iconTemperature

80 °F April average high 26 °C
59 °F April average low 15 °C

In most years, Houston averages a daily maximum temperature for April that's between 77 and 82 degrees Fahrenheit (25 to 28 degrees Celsius). The minimum temperature usually falls between 56 and 63 °F (13 to 17 °C).

The days at Houston warm steadily during April. By the end of the month, the temperature has climbed around 6 °F (3 °C) above what it was at the start.

16 days 80 °F max. or more (27 °C)
15 days 60 °F min. or less (16 °C)

The temperature rises nearly every day during April to over 70 °F (21 °C) in Houston. Temperatures of 90 °F (32 °C) and above can happen, but are uncommon here this time of year.

The thermometer dips to 50 °F (10 °C) or below on an average of 5 nights. But most years April does not get as cold as 40 °F (4 °C).

Rainy Weather iconRain

3.3 in total precipitation 84 mm
7 days of rain

Half the time, Houston receives 1.5 to 4 inches (37 to 109 mm) of rainfall in April. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

58 % sunshine
7 days clear skies

The sun's rays reach the ground in Houston during 58 percent of daylight hours on average in April, for a total of 224 hours in the month. Typically on 7 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in April at Houston lasts for 12 hours and 54 minutes a day on average. The shortest day of the month is the 1st with 12 hours and 30 minutes of daylight. By the end of the month, the days have lengthened to 13:18 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

73 % April average humidity

The relative humidity in Houston during April usually peaks at 89 percent in the morning then drops to 54 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 85 88 89 73 58 54 60 79

Windy Weather iconWind

9.1 mph April wind speed average 14.6 kph

April is Houston's windiest month.

Stormy Weather iconStorms

2 days rainfall of 0.5 inches (13 mm) or more
3 days with thunderstorms in April

These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals.

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