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May Weather in Brownsville, United States

Last updated: June 24, 2025

In Brownsville, United States, the average temperature in May hovers around 20°C (69°F), with a refreshing minimum of 2°C (36°F) and the occasional peak at 34°C (94°F). Be prepared for 119 mm (4.7 in) of precipitation spread over 13 days, contributing to an average humidity level of 82%. Enjoy the unique climate of this charming location!

May Temperature in Brownsville

In May in Brownsville, the average temperature is 20°C (69°F). Maximums can reach 34°C (94°F) and minimums can be as low as 2°C (36°F). This makes Brownsville an ideal destination for travelers seeking a comfortable climate for outdoor adventures and sightseeing.

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

The chart illustrates May 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, May typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (36°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.

May Precipitation in Brownsville

In Brownsville in May, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

May Precipitation Trends in Brownsville

The chart displays monthly precipitation patterns in Brownsville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Brownsville, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9917813615011914412011812912091131
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Brownsville

In Brownsville in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Brownsville

This chart illustrates the average monthly humidity levels in Brownsville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Brownsville

In Brownsville in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Brownsville in May, 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 May, the maximum UV index in Brownsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Brownsville May 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 May 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 May’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 May’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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