June Weather in Port Arthur, United States

Last updated: June 24, 2025

In June, the average temperature in Port Arthur, United States is a warm 27°C (82°F), with daytime highs reaching up to 36°C (96°F) and nighttime lows dropping to 20°C (68°F). Expect a fair share of rainfall, with an average precipitation of 181 mm (7.1 in) spread over 19 days. Additionally, the atmosphere is quite humid, boasting an average humidity level of 75%.

June Temperature in Port Arthur

In June in Port Arthur, the average temperature is 27°C (82°F), with maximums reaching 36°C (96°F) and minimums dropping as low as 20°C (68°F). This pleasant climate makes Port Arthur an ideal destination for travelers seeking warmth and sunshine during this time of year.

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

The chart illustrates June temperature patterns in Port Arthur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Arthur, June typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (96°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec545865697781838380726157
Data source: Temperature data for Port Arthur 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 Port Arthur

In Port Arthur in June, the total precipitation amount is 181 mm (7.1 in) spread over 19 days.

June Precipitation Trends in Port Arthur

The chart displays monthly precipitation patterns in Port Arthur, 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 Arthur, June typically receives around 181 mm (7.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec98907612518918115322820214374140
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Port Arthur

In Port Arthur in June, humidity is 75%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket enveloping you, making sightseeing comfortable yet sticky, and prompting travelers to seek shade and refreshing drinks during their adventures.

June Average Humidity in Port Arthur

This chart illustrates the average monthly humidity levels in Port Arthur, 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 Arthur is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%78%81%79%75%74%73%75%75%79%83%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Port Arthur

In Port Arthur 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 Arthur.

Maximum UV Index Levels in Port Arthur for June

The chart shows the monthly maximum UV Index (UVI) for Port Arthur 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 Arthur typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110975
Data source: Port Arthur 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 Arthur Compares to Other Months

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

This table compares monthly weather conditions in Port Arthur, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)98 mm (3.8 inches)79%moderate
February Weather14°C (58°F)90 mm (3.5 inches)80%very high
March Weather18°C (65°F)76 mm (3.0 inches)78%very high
April Weather21°C (69°F)125 mm (4.9 inches)81%extreme
May Weather25°C (77°F)189 mm (7.4 inches)79%extreme
June Weather27°C (82°F)181 mm (7.1 inches)75%extreme
July Weather28°C (83°F)153 mm (6.0 inches)74%extreme
August Weather28°C (83°F)228 mm (9.0 inches)73%extreme
September Weather27°C (80°F)202 mm (8.0 inches)75%very high
October Weather22°C (73°F)143 mm (5.6 inches)75%very high
November Weather16°C (62°F)74 mm (2.9 inches)79%high
December Weather14°C (58°F)140 mm (5.5 inches)83%moderate

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