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April Weather in Houston, United States

Last updated: June 24, 2025

In April, the average temperature in Houston, United States hovers around 13°F (55°F). Expect a range with minimums dipping to -5°C (22°F) and soaring to 30°C (86°F). With 170 mm (6.7 in) of precipitation spread over 13 days, you might want to keep that umbrella handy. Add to that an average humidity level of 80% to create a truly immersive experience of the local climate!

April Temperature in Houston

In April in Houston, the average temperature is 13°C (55°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as -5°C (22°F). This temperature range makes it a great time for travelers to experience the diverse climate and enjoy a variety of outdoor activities.

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 13°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748556574787572584541
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 170 mm (6.7 in) over the course of 13 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 170 mm (6.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec73100138170188687597421176863
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 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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 Weather1°C (35°F)73 mm (2.9 inches)83%moderate
February Weather3°C (38°F)100 mm (3.9 inches)81%high
March Weather9°C (48°F)138 mm (5.4 inches)80%high
April Weather13°C (55°F)170 mm (6.7 inches)80%very high
May Weather18°C (65°F)188 mm (7.4 inches)83%extreme
June Weather23°C (74°F)67 mm (2.7 inches)83%extreme
July Weather26°C (78°F)75 mm (2.9 inches)76%extreme
August Weather24°C (76°F)97 mm (3.8 inches)69%very high
September Weather22°C (72°F)42 mm (1.6 inches)68%very high
October Weather15°C (58°F)117 mm (4.6 inches)72%high
November Weather7°C (45°F)68 mm (2.7 inches)83%moderate
December Weather5°C (41°F)63 mm (2.5 inches)86%moderate

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