nomadseason

April Weather in Brownsville, United States

Last updated: June 24, 2025

In April, the average temperature in Brownsville, United States hovers around 18°C (65°F), offering a mild climate perfect for exploration. However, be prepared for temperature fluctuations, as it can dip as low as 1°C (34°F) and soar up to 31°C (88°F). Expect approximately 165 mm (6.5 in) of precipitation over 10 days, contributing to an average humidity of 82%. Make sure to pack accordingly for a delightful visit!

April Temperature in Brownsville

In April in Brownsville, the average temperature is 18°C (65°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 1°C (34°F). Be prepared for a wide range of temperatures for 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 18°C (65°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec485261657480838379685552
Data source: Temperature data for Brownsville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 165 mm (6.5 in), which occurs over the course of 10 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 165 mm (6.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec117191147165129123941029212986124
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Brownsville

In Brownsville in April, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

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.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110864
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 Weather9°C (48°F)117 mm (4.6 inches)84%moderate
February Weather11°C (52°F)191 mm (7.5 inches)83%high
March Weather16°C (61°F)147 mm (5.8 inches)80%very high
April Weather18°C (65°F)165 mm (6.5 inches)82%extreme
May Weather23°C (75°F)129 mm (5.1 inches)83%extreme
June Weather27°C (80°F)123 mm (4.8 inches)80%extreme
July Weather28°C (83°F)94 mm (3.7 inches)80%extreme
August Weather28°C (83°F)102 mm (4.0 inches)75%extreme
September Weather26°C (79°F)92 mm (3.6 inches)73%very high
October Weather20°C (69°F)129 mm (5.1 inches)76%very high
November Weather13°C (56°F)86 mm (3.4 inches)84%high
December Weather11°C (52°F)123 mm (4.9 inches)88%moderate

Compare Brownsville's Climate with Cities Worldwide