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April Weather in Brownsville, United States

Last updated: June 24, 2025

In April, the average temperature in Brownsville, United States hovers around 14°C (58°F). Expect a wide range of temperatures, with a minimum dipping to -2°C (28°F) and a maximum soaring to 31°C (87°F). Be prepared for some rain, as 150 mm (5.9 in) of precipitation is expected over 13 days. With an average humidity of 82%, the weather can feel quite muggy, so dress accordingly!

April Temperature in Brownsville

In April in Brownsville, the average temperature is 14°C (58°F), with maximums reaching up to 31°C (87°F) and minimums dipping as low as -2°C (28°F). This range of temperatures makes it essential for travelers to pack layers to ensure comfort during their visit.

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

The chart illustrates April temperature patterns in Brownsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brownsville, April typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (87°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec384250576976807773624643
Data source: Temperature data for Brownsville 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 Brownsville

In Brownsville in April, the precipitation amount is 150 mm (5.9 in) spread over 13 days.

April Precipitation Trends in Brownsville

The chart displays monthly precipitation patterns in Brownsville, 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 Brownsville, April typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9917813615011914412011812912091131
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Brownsville

In Brownsville in April, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

April Average Humidity in Brownsville

This chart illustrates the average monthly humidity levels in Brownsville, 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 Brownsville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Brownsville

In Brownsville 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 Brownsville.

Maximum UV Index Levels in Brownsville for April

The chart shows the monthly maximum UV Index (UVI) for Brownsville 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 Brownsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Brownsville 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 Brownsville Compares to Other Months

Weather in Brownsville varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Brownsville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brownsville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)99 mm (3.9 inches)87%moderate
February Weather6°C (43°F)177 mm (7.0 inches)86%high
March Weather10°C (50°F)136 mm (5.4 inches)86%high
April Weather14°C (58°F)150 mm (5.9 inches)82%very high
May Weather20°C (69°F)119 mm (4.7 inches)82%very high
June Weather24°C (76°F)144 mm (5.7 inches)83%extreme
July Weather27°C (80°F)120 mm (4.7 inches)80%extreme
August Weather25°C (78°F)118 mm (4.6 inches)74%very high
September Weather23°C (73°F)129 mm (5.1 inches)71%very high
October Weather16°C (62°F)120 mm (4.7 inches)78%high
November Weather8°C (47°F)91 mm (3.6 inches)88%moderate
December Weather6°C (43°F)131 mm (5.1 inches)88%moderate

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