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April Weather in Houston, United States

Last updated: June 24, 2025

In Houston, United States, the average temperature in April hovers around 17°C (63°F), with a minimum dipping as low as -1°C (31°F) and a peak reaching 31°C (89°F). During this time, expect 153 mm (6.0 in) of precipitation spread over 9 days, contributing to an average humidity of 82%.

April Temperature in Houston

In April in Houston, the average temperature is 17°C (63°F). The maximum can reach 31°C (89°F), and the minimum can be as low as -1°C (31°F). This makes Houston a destination where travelers should pack for both warm days and cool nights.

April Weather in Houston: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Houston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houston, April typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057627278818077665249
Data source: Temperature data for Houston generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Houston

In Houston in April, the precipitation amount is 153 mm (6.0 in) over the course of 9 days.

April Precipitation Trends in Houston

The chart displays monthly precipitation patterns in Houston, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Houston, April typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1281871631531201311031279211375138
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Houston

In Houston in April, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

April Average Humidity in Houston

This chart illustrates the average monthly humidity levels in Houston, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Houston is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Houston

In Houston in April, 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.

Maximum UV Index Levels in Houston for April

The chart shows the monthly maximum UV Index (UVI) for Houston in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Houston typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
Data source: Houston April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Houston Compares to Other Months

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.

This table compares monthly weather conditions in Houston, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)128 mm (5.0 inches)85%moderate
February Weather10°C (50°F)187 mm (7.4 inches)84%high
March Weather14°C (58°F)163 mm (6.4 inches)82%very high
April Weather17°C (63°F)153 mm (6.0 inches)82%very high
May Weather22°C (73°F)120 mm (4.7 inches)82%extreme
June Weather26°C (79°F)131 mm (5.2 inches)79%extreme
July Weather27°C (82°F)103 mm (4.1 inches)82%extreme
August Weather27°C (81°F)127 mm (5.0 inches)77%very high
September Weather25°C (77°F)92 mm (3.6 inches)74%very high
October Weather19°C (66°F)113 mm (4.4 inches)73%high
November Weather11°C (52°F)75 mm (3.0 inches)85%high
December Weather9°C (49°F)138 mm (5.4 inches)88%moderate

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