nomadseason

June Weather in Port Isabel, United States

Last updated: June 24, 2025

In Port Isabel, United States, the average temperature in June hovers around 28°C (82°F). On cooler days, temperatures can dip to a minimum of 23°C (74°F), while the mercury can rise to a maximum of 31°C (88°F). Expect precipitation to be around 87 mm (3.4 in) over approximately 14 days, with an average humidity of 79%.

June Temperature in Port Isabel

In June in Port Isabel, the average temperature is 28°C (82°F). Maximums can reach 31°C (88°F) and minimums can be as low as 23°C (74°F). This pleasant climate makes Port Isabel an ideal destination for travelers seeking warmth and outdoor activities.

June Weather in Port Isabel: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Port Isabel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Isabel, June typically has an average temperature of 28°C (82°F), with highs reaching up to 31°C (88°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec646469747982828382797267
Data source: Temperature data for Port Isabel 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.

June Precipitation in Port Isabel

In Port Isabel in June, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.

June Precipitation Trends in Port Isabel

The chart displays monthly precipitation patterns in Port Isabel, 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 Port Isabel, June typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec47364226688712532136947143
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Port Isabel

In Port Isabel in June humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

June Average Humidity in Port Isabel

This chart illustrates the average monthly humidity levels in Port Isabel, 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 Port Isabel is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%81%85%83%79%79%78%77%76%79%79%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Port Isabel

In Port Isabel in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Port Isabel.

Maximum UV Index Levels in Port Isabel for June

The chart shows the monthly maximum UV Index (UVI) for Port Isabel 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 Port Isabel typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101112121212111076
Data source: Port Isabel 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 Port Isabel Compares to Other Months

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

This table compares monthly weather conditions in Port Isabel, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)47 mm (1.9 inches)78%high
February Weather18°C (65°F)36 mm (1.4 inches)81%very high
March Weather20°C (69°F)42 mm (1.6 inches)81%very high
April Weather23°C (74°F)26 mm (1.0 inches)85%extreme
May Weather26°C (79°F)68 mm (2.7 inches)83%extreme
June Weather28°C (82°F)87 mm (3.4 inches)79%extreme
July Weather28°C (83°F)125 mm (4.9 inches)79%extreme
August Weather29°C (84°F)32 mm (1.2 inches)77%extreme
September Weather28°C (82°F)136 mm (5.3 inches)77%extreme
October Weather26°C (79°F)94 mm (3.7 inches)76%very high
November Weather22°C (72°F)71 mm (2.8 inches)79%high
December Weather19°C (67°F)43 mm (1.7 inches)79%high

Compare Port Isabel's Climate with Cities Worldwide