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June Weather in Brownsville, United States

Last updated: June 24, 2025

In June, the average temperature in Brownsville, United States sits at a pleasant 26°C (78°F). However, temperatures can vary significantly, with a minimum of 12°C (53°F) and a sweltering maximum of 36°C (98°F). Expect some rain, as 103 mm (4.1 in) of precipitation falls over approximately 11 days. Humidity is notably high, averaging around 83%, making the air feel warm and tropical.

June Temperature in Brownsville

In June in Brownsville, the average temperature is 26°C (78°F). The maximum can reach 36°C (98°F), while the minimum can drop to as low as 12°C (53°F). This diverse range of temperatures makes it essential to pack both light clothing for the heat and layers for cooler evenings when traveling to Brownsville.

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

The chart illustrates June 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, June typically has an average temperature of 26°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554607178817975645046
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.

June Precipitation in Brownsville

In Brownsville in June, the precipitation amount is 103 mm (4.1 in) spread over 11 days.

June Precipitation Trends in Brownsville

The chart displays monthly precipitation patterns in Brownsville, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Brownsville, June typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9917116614310310312311611311179144
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Brownsville

In Brownsville in June, humidity is 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.

June Average Humidity in Brownsville

This chart illustrates the average monthly humidity levels in Brownsville, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Brownsville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Brownsville

In Brownsville in June, 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 June

The chart shows the monthly maximum UV Index (UVI) for Brownsville in June, 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 June, the maximum UV index in Brownsville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Brownsville June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)99 mm (3.9 inches)86%moderate
February Weather7°C (46°F)171 mm (6.7 inches)85%high
March Weather12°C (55°F)166 mm (6.5 inches)84%high
April Weather16°C (61°F)143 mm (5.6 inches)81%very high
May Weather22°C (71°F)103 mm (4.1 inches)83%very high
June Weather26°C (78°F)103 mm (4.1 inches)83%extreme
July Weather27°C (81°F)123 mm (4.9 inches)80%extreme
August Weather26°C (79°F)116 mm (4.6 inches)73%very high
September Weather24°C (75°F)113 mm (4.5 inches)70%very high
October Weather18°C (64°F)111 mm (4.4 inches)73%high
November Weather10°C (50°F)79 mm (3.1 inches)85%moderate
December Weather8°C (46°F)144 mm (5.7 inches)88%moderate

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