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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 10°C (51°F). Expect a range from a chilly -1°C (30°F) to a pleasant 27°C (81°F). With 113 mm (4.4 in) of precipitation spread over 14 days, you might want to pack an umbrella. The average humidity is quite high at 83%, so be prepared for a damp atmosphere!

April Temperature in Brownsville

In April in Brownsville, the average temperature is 10°C (51°F). The maximum can reach 27°C (81°F) and the minimum can be as low as -1°C (30°F). It's a month of diverse weather, so be prepared for both warm and chilly days during your travels.

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 10°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec424146515764707064534641
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 113 mm (4.4 in) occurring over a span of 14 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 113 mm (4.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1441811251135738256288130182
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 83%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that permeates your clothes, making it essential to dress in layers for travel, as the cool air combined with the high humidity can create an uncomfortable and bone-chilling atmosphere.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
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 Weather6°C (42°F)144 mm (5.7 inches)85%low
February Weather5°C (42°F)181 mm (7.1 inches)84%moderate
March Weather8°C (46°F)125 mm (4.9 inches)85%high
April Weather10°C (51°F)113 mm (4.4 inches)83%high
May Weather14°C (57°F)57 mm (2.3 inches)83%very high
June Weather18°C (64°F)38 mm (1.5 inches)83%very high
July Weather21°C (70°F)2 mm (0.1 inches)82%very high
August Weather21°C (71°F)5 mm (0.2 inches)74%very high
September Weather18°C (64°F)62 mm (2.5 inches)71%very high
October Weather12°C (54°F)88 mm (3.5 inches)81%moderate
November Weather8°C (47°F)130 mm (5.1 inches)87%moderate
December Weather5°C (42°F)182 mm (7.2 inches)87%low

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